7G Math HW#18: Lesson 7.4 and 7.5

Solve the equation.

 $-5c=60$  

• -12

• -65

• -300

• -55

Solve.
 $-42=-\frac{3}{7}y$  

• 98

• 226

• 18

• 24

The product of 10 and a number is -22. Solve the number.

• -2.2

• -12

• -0.45

• 220

Solve the equation.
 $\frac{n}{8}=-9$  

• -56

• -63

• -72

• -48

A cell phone call billed at $6.40 for 16 mins. Which of the following equation and solution to find out how much each minute of the phone call cost.

•  $6.40x=16;\ Ans.\ 2.50$  

•  $\frac{6.40}{x}=16;\ Ans.\ 102.40$  

•  $x-16=6.40;\ Ans.\ 22.40$  

•  $16x=6.40;\ Ans.\ 0.40$  

Solve the equation.

 $3x+5=-13$  

• -24

• -6

• -7.8

• -2.6

Solve the equation.

 $-y+6=11$  

• 16

• -16

• -5

• 5

Solve the equation.

 $0=4t+72$  

• 288

• -288

• 18

• -18

Twice a number subtracted by 7 is 11. Find the number.

• 2

• 4

• 36

• 9

You have $25 to spend at the arcade. If you plan to spend $3 on snacks, and games cost $2 each, how many games can you play?

• 11 games

• 6 games

• 5 games

• 10 games