AnswersSY2025-26 - 1205040 MJ Grade 7 Mathematics Sem 1 CRCumulative Exam

Scale Factor Answers

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The sum of three numbers is 180. If the first number is , and the second is which expression represents the third number?

Question illustration
A
165 minus 3 x
Option A
B
187 minus x
Option B
C
195 minus x
Option C
D
195 minus 3 x
Option D
22
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One quart equals 946.35 milliliters. How many milliliters are in 3 pints? Round the answer to the nearest tenth. 1 pint = 2 cups1 quart = 2 pints 1 gallon = 4 quarts

A
157.7 mL
B
473.2 mL
C
1419.5 mL
D
5678.1 mL
23

One kilometer equals 0.62 miles. How many kilometers equal 16 miles? Round the answer to the nearest tenth.

A
2.6 kilometers
B
9.9 kilometers
C
25.8 kilometers
D
99.2 kilometers
24

Samantha created part of a table to show her savings. She saved at the same rate each week.Samantha’s SavingsWeek1234Money Saved $18$24Which graph shows this relationship?

A
On a coordinate plane, a graph titled Weekly Savings has weeks on the x-axis and money saved on the y-axis. Points (1, 8), (2, 16), (3, 18), and (4, 24) are plotted.
Option A
B
On a coordinate plane, a graph titled Weekly Savings has weeks on the x-axis and money saved on the y-axis. Points (1, 6), (2, 12), (3, 18), and (4, 24) are plotted.
Option B
C
On a coordinate plane, a graph titled Weekly Savings has weeks on the x-axis and money saved on the y-axis. Points (1, 9), (2, 18), (3, 18), and (4, 24) are plotted.
Option C
D
On a coordinate plane, a graph titled Weekly Savings has weeks on the x-axis and money saved on the y-axis. Points (1, 0), (2, 9), (3, 18), and (4, 24) are plotted.
Option D
25

Marge orders the following items and would like to leave a 20 percent tip based on her bill. There is no tax on her meal. What is the total cost of her dinner including gratuity?Item AmountSoup$3.75Shrimp scampi$15.00 Iced tea$2.60Dessert$4.25

A
$26.22
B
$30.72
C
$32.00
D
$35.82
26

What is the simplified value of the expression below?

Question illustration
A
18.25
B
21.38
C
110.25
D
119.50
27

All the items on the sale rack were 75 percent off their original price. PercentsTotal75%25%100%25%25%25%25% x If Jill bought an item on the sale rack and saved a total of $84, what is the value of x in the table above?

A
$21
B
$28
C
$84
D
$112
28

A gallon of stain is enough to cover 200 square feet of decking. Bradley has two areas of decking he would like to cover with stain. One rectangular area is 23 feet by 10.4 feet, and the other is 10.5 feet by 7.2 feet. Which expression gives the number of gallons of stain Bradley will need?

A
Left-bracket (23) (10.5) + (10.4) (7.2) right-bracket divided by 200
Option A
B
Left-bracket (23) (10.4) + (10.5) (7.2) right-bracket divided by 200
Option B
C
Left-bracket (23) (10.5) + (10.4) (7.2) right-bracket times 200
Option C
D
Left-bracket (23) (10.4) + (10.5) (7.2) right-bracket times 200
Option D
29

If the relationship is proportional, what is the missing value from the table?xy–39–5?–721

A
–18
B
–15
C
15
D
18
30

What is the value of the expression ?

Question illustration
A
10
B
25
C
32
D
64
31

What is the unit rate depicted in the graph?

Question illustration
A
0.75 laps in one minute
B
1.25 laps in one minute
C
3 laps in 4 minutes
D
4 laps in 3 minutes
32

Tammy predicted that she would sell 300 bottles of water. She actually sold 350 bottles. What is the percent error in the estimate of the number of bottles sold? Round the answer to the nearest tenth.

A
–15.4%
B
–14.3%
C
14.3%
D
15.4%
33

Talia gave her hairdresser a 20 percent tip, which amounted to $7. PercentsTotal 100% What was the price of the service before the tip?

A
$1.40
B
$35.00
C
$42.00
D
$140.00
34

When 2() is simplified, what is the resulting expression?

Question illustration
A
mc008-2.jpg
Option A
B
mc008-3.jpg
Option B
C
mc008-4.jpg
Option C
D
mc008-5.jpg
Option D
35

Heston Wagons reported in June that 20 out of 500 wagons failed inspection. In July, they reported that 25 out of 625 wagons failed inspection. Which proportion can be used to represent the wagon failures?

A
StartFraction 25 over 20 EndFraction = StartFraction 500 over 625 EndFraction
Option A
B
StartFraction 20 over 25 EndFraction = StartFraction 625 over 500 EndFraction
Option B
C
StartFraction 20 over 500 EndFraction = StartFraction 625 over 25 EndFraction
Option C
D
StartFraction 20 over 500 EndFraction = StartFraction 25 over 625 EndFraction
Option D
36

Nico dropped the brand new bottle of dog shampoo and 3 ounces spilled out. He measures ounces each time he shampoos his dog and the bottle of shampoo originally contained ounces. Which is the correct equation and value of x, the number of times Nico can bathe his dog using this one bottle?

Question illustration
A
; times
Option A
B
; times
Option B
C
; times
Option C
D
; times
Option D
37

What is the simple interest value missing in the table? Principal$2,500Interest rate3.5%Time5 yearsInterest?

A
$43.75
B
$437.50
C
$4,370.50
D
$43,750.00
38

A clothing shop is offering a 12 percent discount for senior citizens. Which equation represents the discount price?

A
discount price = 1 - (original price)(0.88)
B
discount price = (original price)(1 – 0.12)
C
discount price = (original price)(0.12)
D
discount price = 1 – (original price)(0.12)
39

Lenore borrowed $400 to pay for car repairs. She needs to pay it back in 2 years with simple interest. Lenore wants to figure out the interest rate of her loan. What additional information does she need to find the interest rate?

A
principal
B
amount of time
C
interest she will owe
D
the type of car repairs
40

Enrique says is a rational number. Which of the following best describes whether Enrique is correct and why?

Question illustration
A
Enrique is correct. Repeating decimals are rational numbers because they can be written as fractions. The number is actually equivalent to .
Option A
B
Enrique is correct. Repeating decimals are rational numbers because they can be written as fractions. The number is actually equivalent to .
Option B
C
Enrique is not correct. Repeating decimals are never rational numbers.
D
Enrique is not correct. Some repeating decimals are rational numbers, but this one is not.

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