Equations in the Real World — Unit test Answers

Holly drew the parallelogram below to represent the design of her new garden.She found that the area of the garden will be square feet by using the equation . If the height, h, of the parallelogram-shaped garden is feet, what is the base, b, in feet?

Adler and Erika solved the same equation using the calculations below. Adler’s WorkErika’s WorkWhich statement is true about their work?

Which statement can be represented by the equation ?

Jada is solving the equation shown below.Which is a possible first step to begin to simplify the equation? Select two options.

What is the solution for the equation?

A cycling race is 17 miles long. The cyclists will begin at point S and ride a number of laps around a neighborhood block. After the last lap, the cyclists will sprint 2.0 miles to the finish line. Using the equation , the race’s organizer determined the cyclists will need to ride 9 laps before the sprint to the finish. Which explains the error?

Marina is solving the equation below by using the multiplicative inverse, or the reciprocal.By which number should Marina multiply both sides of the equation as the first step in solving it?

Perry spent $22.50 on material to make necklaces. He used all of the material and made 15 necklaces. How much should Perry charge for each necklace if he wants to make a profit of $60?

Ingrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. She divides the trail mix into 12 equal portions. Each portion weighs 0.7 of a pound. How many pounds of raisins did she use to make the trail mix? Express the answer to the nearest tenth.

Emma read the statement “the quotient of six and a number, x, is the same as negative two times the difference of x and 4.5.” She translated it as shown below.What errors did Emma make? Select two options.

Katya cut part of the jump rope off to make it shorter. The new length is feet. The difference between the original length and the new length is foot. The equation can be used to represent this problem, where x is the original length of the rope. What was the original length of the rope?

Jade has $451.89 in her checking account. After 3 checks, each for the same amount, are deducted from her account, she has $358.92 left in her account. Assume she makes no other withdrawals or deposits. Which equations represent c, the amount of one check, in dollars? Select three options.

The low temperature in Leroy’s town one day was . The difference between the high temperature and the low temperature that day was . The equation can be used to find h, the high temperature in the town that day in degrees Fahrenheit. What was the high temperature in the town that day, in degrees Fahrenheit?

Every seventh-grade student at Martin Middle School takes one world language class. One-tenth of the seventh-grade students take French. Eighteen seventh-grade students take French. Which equation represents s, the total number of seventh-grade students at the middle school?

Maggie bought a pound of bananas and 4 boxes of cereal for $10.11. If each box of cereal cost $2.40, what was the price of a pound of bananas?