4. Taylor buys 4 textbooks for his college classes. Each book costs the same amount. He pays $64 for all the books. How much is each book?

450

step-by-step explanation:

you get texts and minutes, so why not

step-by-step explanation:

first, eliminate the parenthesis:

3

x

+

2

−

4

x

second, group like terms:

3

x

−

4

x

+

2

third, combine like terms:

(

3

−

4

)

x

+

2

→

−

1

x

+

2

→

−

x

+

2

$15.40 per mile

step-by-step explanation:

you have to round up to 4 because 6 is over 5 so you have to round the 3 up to 4