Week 20 7th grade math homework

Simplify by combining like terms.

-9x + (-2x) + 10x - 5x

• 6x

• -6x

• 16x

• -16x

Find the unit rate in price per ounce.

• $6.43 per ounce

• .14 cents per ounce

• .16 cents per ounce

• $2.49 per ounce

Find the unit rate of a car traveling 195 miles in 3 hours. Use mph for your abbreviation in your answer.

Solve the equation using inverse operations.

-63 = -8c +12

• c = 6.375

• c = -6.375

• c = -9.375

• c = 9.375

Solve the equation using inverse operations.

 $\frac{-1}{2}x+3=\ 4$  

Simplify by combining like terms.

25x - 9y + 14x + 9y - 18

A cookie recipe needs of  $1\ \frac{1}{3}$  flour to make  $\frac{1}{2}$   batch of cookies. How much flour is needed to make 1 batch of cookies?

•  $1\ \frac{1}{6}cups$  
  

•  $1\ \frac{2}{3}cups$ 

•  $2\ \frac{2}{3}cups$  
  

•  $3\ cups$  

Tselote bought  $2\ \frac{1}{2}$ dozen chocolate chip cookies. She paid $15 for her purchase. If there were 12 cookies in each dozen, what was the cost per cookie?

• $0.17

• $0.50

• $0.83

• $1.25

Simplify the complex fraction shown.

• 9/40
• 40/9
• 10/36
• 5/18

Tags

CCSS.6.EE.A.3

CCSS.6.NS.A.1

Elijah earn $200 for 8 hours of work. How much money did he make in 1 hour?