Question

There are n gallons of oil. After m gallons have been used then, in terms of m and n, what percent of oil remains? What percent was used?
Answer:
percent of oil remains;
percent was used.
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Answer 1

Answer:

Percent of oil that remains=((n-m)÷n)×100

Percent of oil used=m/n×100

Step-by-step explanation:

Answer 2

We are required to find the percentage of oil used and the percentage of oil remaining

The percentage of oil used is

$= \frac{m}{n} \times 100$

Given:

Total gallons of oil = n gallons

Total gallons of oil used = m gallons

Percentage of oil used = Total gallons of oil used ÷ Total gallons of oil × 100

$= \frac{m}{n} \times 100$

Percentage of oil remaining = (Total gallons of oil - Total gallons of oil used) ÷ Total gallons of oil × 100

$= \frac{n - m}{n} \times 100$

Therefore, the percentage of oil used is

$= \frac{m}{n} \times 100$

and the Percentage of oil remaining is

$= \frac{n - m}{n} \times 100$

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