Katherine uses $\frac{7}{10}$ of a gallon of red paint to paint $\frac{3}{5}$
of her wall.

How many gallons of red paint will she use to paint her whole wall?

A $\frac{21}{50}$

B $\frac{7}{15}$

C $1\frac{1}{6}$

D $1\frac{3}{10}$

throw the computer

step-by-step explanation:

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.

faster, im not sure why but i know it is faster