Unit 5 Test

Which statement is true about the parentheses in this expression? 3x (8+2)+2

• The parentheses indicate that 8 + 2 should be solved first.

• The parentheses indicate that 8 + 2 should be solved last.

• The parentheses indicate that 2 ÷ 2 should be solved last.

• The parentheses indicate that 3 x 8 should be solved first.

A mechanic repaired 28 cars and 46 trucks last month. He spent 2 hours repairingeach of these vehicles. Which equation can be used to find h, the total number of hours the mechanic spent repairing these vehicles?

Which equation can be used to find h, the total number of hours the mechanic spent repairing these vehicles?

• h= (28+46) ÷ 2

• h= (28+46) + 2

• h= (28+46) × 2

• h= (28+46) - 2

What is the value of this expression 3(25+19) + 4(3)

• 294

• 144

• 408

• 168

Which operation should be completed first? 60 × (5-2) + 8

• multiplication should be completed first

• parentheses should be completed first

• addition is always completed before multiplication

Susan bought supplies for school. She bought 12 pens for $2 each and a notebook for $5. How much money did Susan spend on school supplies?

• m 12 x 5 x 2=

• m = 12 x 2 + 5

• m 12+2+5

• m = 12 +2+5

Which expression has a value of 25?

• 2(32 + 18) ÷ 4

• (10 × 10) (2 ÷ 2)÷ 2+8

• (50 × 10) = 5

• (10 + 10) = 4

Kassidy walks and bathes dogs. She charges $8.50 if a customer wants a dog bathed and walked. She charges $5.75 if a customer only wants a dog walked. The list shows the jobs Kassidy did last weekend.

• On Saturday she took 6 dogs for walks only.

• On Sunday she took 5 dogs for walks only.

• On Saturday she walked and bathed 4 dogs.

• On Sunday she walked and bathed 4 dogs.

 

Kassidy used the following expression to determine the amount of money she earned walking and bathing dogs last weekend.

 

5.75(6 + 5) + 8.50(2 × 4)

How much money did Kassidy earn walking and bathing dogs last weekend?

• $97.25

• $1,411.00

• $194.50

• $131.25

Joanie bought some plants for her back garden. What is the total cost of her plants?

• 54

• 42

• 24

• 52

Gale wants to create an equation that represents h, the total number of baseball cards she buys. Complete the equation h = 8 + 3 + 64

• 67

• 11

• 75

• 74