Unit 7 7th Grade Ms. Towne

Daniel is paid $30 per week for selling newspaper subscriptions. He is also paid $5.50 for each new customer (x) that signs up for the subscription. Which equation represents the amount (y) Daniel earns per week?

• y= 30 + 5.50x

• y= 30 + 5.50

• y= 5.5x

• y= 30 + 55x

The first number in a pattern is 5. Each following number is found by subtracting 7 from the previous number. What is the fifth number in the pattern?

• -2

• -16

• -23

• -30

Gina bought 2 bags of grapes that weighed 4.49 pounds each. The grapes were priced at $3.50 per pound. The expression below represents the total cost of the bags of grapes Gina bought, in dollars.

(3.50 x 4.49) x 2

Which expression below is also equivalent to the total cost of the grapes?

• (3.50 + 2) x 4.49

• 3.50 x (4.49 x 2)

• (3.50 x 2) + 4.49

• 2 x (3.50 + 4.49)

At work, Nick lifts packages that weigh 70 pounds each. A package consists of 5 small speakers, 3 large speakers, and a subwoofer. The small speakers and subwoofer together weigh 34 pounds. The large speakers weigh n pounds each, as expressed in this equation.

70 = 3n + 34

What is the weight of each large speaker?

• 14 pounds

• 25 pounds

• 12 pounds

• 36 pounds

Which of the following is equivalent to the expression below?

-6(x - 5)

• -6x + 5

• -6x - 5

• -6x - 30

• -6x + 30

This expression is used to calculate the taxes on Marta's monthly earnings, where c represents the commission on her sales.
 $\frac{1}{5}\left(2,455\ +\ 0.25c\right)$  
Which expression is equivalent?

• 491 + 0.05c

• 2,455.20 + 0.05c

• 491+ 0.25c

• 12,275 + 1.25c

This expression can be used to find the price of a television that is on sale for 10% off the regular price of p dollars.
 $p-\frac{1}{10}p$  
Which of the following is another expression that can be used to find the sale price of the television?

• 0.10p

• 0.90p

• 0.10p - p

• 0.90p - p

The table shows the relationship between x and y. What value of y is missing from the table?

• $\frac{1}{12}$

• $\frac{1}{24}$

• $\frac{1}{36}$

• $\frac{1}{32}$

The label on Adriana's carton of juice has this information listed.
One serving size equals  $\frac{1}{2}$  cup.
Each serving has 30% of the recommended daily amount of vitamin C. 
Yesterday, Adriana drank   $2\frac{1}{4}$  cups of juice. What percent of the recommended daily amount of vitamin C was in the juice Adriana drank yesterday?

• 67.5%

• 33.75%

• 135%

• 120%

Three friends played a target game at a carnival.
Elsie hit the target 3 out of every 8 times.
Anjani hit the target 40% of the time.
Derek hit the target  $\frac{2}{7}$  of the time.
Which list shows the friends in order from the person who hit the target the least percent to the person who hit the target the greatest percent of the time?

• Elsie, Anjani, Derek

• Anjani, Elsie, Derek

• Elsie, Derek, Anjani

• Anjani, Derek, Elsie