Unit 2a Review

Solve for x. (Just type the number)

 $2.4x-9.1x+12.5x=-39.44$  

Tags

CCSS.8.EE.C.7B

Solve for x. (Just type the number)

 $8.7x-1.9x=116.96$  

Tags

CCSS.8.EE.C.7B

Solve the equation for x. (Just type the number)

 $\frac{5}{8}x+4=\frac{3}{8}x+12$  

Solve the equation for x. (Just type the number)

 $150-x-2x=120+2x$  

A rental car agency charges $240 per week plus $0.25 per mile to rent a car. The charge for a minivan is $180 per week plus $0.40 per mile. After how many miles is the total charge for each vehicle the same?

• 4 miles

• 92 miles

• 400 miles

• 646 miles

The Smith family and the Jackson family are having their basements remodeled. The Smith's contractor charges $16.50 per hour plus $289 in supplies. The Jackson's contractor charges $18.75 per hour and $274.60 in supplies. At how many hours of work will the total cost be the same for both families?

• 6 hours

• 6.4 hours

• 16 hours

• 250 hours

Tags

CCSS.8.EE.C.8C

Jim currently has $1,250 in his bank account and Sally has $1,400 in her bank account. Jim deposits $27.50 per week and Sally deposits $20 per week into her account. After how many weeks will they have the same amount of money?

• 3 weeks

• 20 weeks

• 56 weeks

• 353 weeks

Tags

CCSS.8.EE.C.8C

Solve the equation

 $\frac{1}{5}\left(x-2\right)=\frac{1}{10}\left(x+6\right)$  
(Type in the number for you answer)

Tags

CCSS.8.EE.C.7B

Solve the equation

 $0.35\left(x+4\right)=0.25\left(x-6\right)$  
(Type in the number for your answer)

Tags

CCSS.8.EE.C.7B

What type of solution does this equation have?

 $6x+4x-1=2\left(5x+4\right)$  

• One solution

• No solution

• Infinite solutions

Tags

CCSS.8.EE.C.7A