Solving Linear Equations Practice H

Which equation models the situation below?

The difference of a number and 3 is multiplied by -2 and the answer is -10. Find the number.

• $-2\left(x-3\right)=-10$

• $-3\left(x-2\right)=-10$

• $x-3\times-2=-10$

• $-2\left(x+3\right)=-10$

Which equation models the problem given?

Oberon Cell Phone Company advertises service for $0.03 per minute plus a monthly fee of $29.95. If Luke’s phone bill for October was $38.95, find the number of minutes he used.

• $0.03m+29.95=38.95$

• $0.3m+29.95=38.95$

• $3m+29.95=38.95$

• $0.03m-38.95=29.95$

Ricky was shopping at a used book sale where all books were selling at the same price. He bought six science fiction books and eight mysteries. He also decided to buy a poster for $2.40. In total, Ricky spent $8.70. What was the price of a single book?

• $14b+2.40=8.70$

• $6s+8m+2.40=8.70$

• $14b-2.40=8.70$

• $14b-8.70=2.40$

Which equation models the situation given?

Savannah opens a savings account with $145. She saves $165 per month. After how many months will she save $2290?

• $145+165m=2290$

• $145m+165=2290$

• $165-145m=2290$

• $20m=2290$

Savannah opens a savings account with $145. She saves $165 per month. After how many months will she save $2290?

Just type in the number!

Brian and Amy invest $2700 to start a hair cutting business. Each hair cut costs them $1.50 (supplies). They charge their customer $15 for each cut.

How many hair cuts until they breakeven?

• 200 hair cuts

• 22 hair cuts

• 2700 hair cuts

• 15

8v - 4(v + 8) = 8

• 2
• 10
• 4
• -4 

Solve for x.

 $\frac{3}{4}\left(x-4\right)=-\frac{1}{4}\left(x-16\right)$