AnswersMO-Mathematics 7Unit Test

Finding a Percent of a Number Answers

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Tara reads at a rate of 15 pages per day. Which table represents this relationship?Table ANumber of DaysNumber of Pages115230345Table BNumber of DaysNumber of Pages151302453Table CNumber of DaysNumber of Pages115225335Table DNumber of DaysNumber of Pages151252353

A
Table A
B
Table B
C
Table C
D
Table D
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Michel uses the scale drawing and the scale factor to enlarge a square that has a side length of 12 in.Which proportion could Michel use to solve the side length, x, of the enlarged square?

Question illustration
A
StartFraction 3 inches over 2 meters EndFraction = StartFraction x meters over 12 inches EndFraction
Option A
B
StartFraction x inches over 2 meters EndFraction = StartFraction 3 inches over 12 meters EndFraction
Option B
C
StartFraction 3 inches over x meters EndFraction = StartFraction 2 meters over 12 inches EndFraction
Option C
D
StartFraction 3 inches over 2 meters EndFraction = StartFraction 12 inches over x meters EndFraction
Option D
23

Which graph represents a proportional relationship?

A
On a coordinate plane, a straight line with positive slope goes through points (0, 0), (1, 2), and (2, 4).
Option A
B
On a coordinate plane, a vertical line is at x = negative 3.
Option B
C
On a coordinate plane, a horizontal line is at y = 3.
Option C
D
On a coordinate plane, a curved line goes through the origin.
Option D
24

At a pet store, Davina counted 12 parrots out of 20 birds. Which is an equivalent ratio of parrots to birds at the pet store?

A
2:3
B
3 to 2
C
StartFraction 5 Over 3 EndFraction
Option C
D
3 to 5
25

The rectangle below has been reduced by a scale of . [Not drawn to scale]What is the area of the reduced rectangle?

Question illustration
A
0.18 square units
B
1.8 square units
C
18 square units
D
180 square units

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