Express $15 for 10 gallons as a unit rate.

$1.50 per gallon

Step-by-step explanation:

To find the unit rate, divide the amount by the gallons

amount/gallons

15/10=1.5

So, each gallon costs $1.50

Hope this helps! :)

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

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

hope it