Arestaurant uses 80% of its oil in one week. they now have 28 quarts of olive oil left. how do you use a double number line to find the number of quarts the restaurant had at the beginning of the week

140 quarts of olive oil

Step-by-step explanation:

we know that

A restaurant uses 80% of its oil in one week.

They now have 28 quarts of olive oil left

so

28 quarts of olive oil correspond to the 20%

see the attached figure to better understand the problem

by proportion

Find out the the number of quarts the restaurant had at the beginning of the week (100%)

Let

x ----> the number of quarts the restaurant had at the beginning of the week

Complete the double number line attached

1

step-by-step explanation:

you are throwing one dart