Formative 7 review

Which number would replace y in the equation?

3(y+3)=18

• 6

• 7

• 4

• 3

Alex bought 128 cans of dog food. He used the equation below to find w, the number of weeks the dog food will last if his dog eats 4 cans of food each week.

 $128\ \ \div\$ W = 4

• 512 weeks

• 124 weeks

• 42 weeks

• 32 weeks 

Helga bought 9 vases of flowers. Each vase contains an equal number of flowers. She gave away 3 of these vases of flowers. There are a total of 72 flowers in the vases Helga has left. The equation below can be used to find f, the number of flowers in each vase.

 $\left(9-3\right)\times f=72$  

• 24

• 12

• 8

• 6

Which equation BEST represents the question below?

What number is 20 less than 40?

• W = 40 - 20

• 0 = 40 - 20 - W

• 20 = 40 - W

• 20 - W = 40

Which pattern uses the rule, “add 3, multiply 2”?

• 2, 5, 10, 12, 36, 39, 78

• 2, 5, 10, 13, 15, 30, 33

• 2, 5, 10, 13, 26, 29, 58

• 2, 5, 10, 20, 23, 26, 52

Andy's book has 99 pages. On Monday he read 36 pages and on Tuesday he read 43 pages. How many more pages does he need to read to finish the book?

• 20 pages

• 90 pages

• 79 pages

• 43 pages

Each pizza Susie sells is cut into 8 slices. She sold 184 slices of pizza on Thursday. Which equation could be used to find p, the number of pizza's Susie sold on Thursday.

• 184 - p = 8

• 8 x p = 184

• 184 + 8 = p

Miss. Hopkins is saving up to buy a house. She will fix it up and then resell it. She bought the house for $72,000 and spent $12,900 fixing it up. She sold it for $89,500. What is her profit?

• $4,600

• $5,400

• $17,500

• $30,400

A college basketball stadium has 4 sections of seats. Each section has 24 rows, with 15 seats in each row. During a basketball game, one of the sections was entirely filled with fans. How many fans were sitting in this section?

• 43

• 96

• 360

• 1,440

Mr. Henry is training to run a marathon. He runs 36 miles on the weekend, and 14 miles per day Monday through Friday. Which is the total distance Mr. Henry runs each week?

• 50 miles

• 70 miles

• 106 miles

• 143 miles