Question

Espana
The price of a gallon of unleaded gas was $2.78 yesterday. Today, the price rose to $2.85. Find the percentage increase. Round your answer
to the nearest tenth of a percent.
X Х
$
?

Answer 1

First, subtract to get the difference.
2.85 – 2.78 = 0.07

Next, divide 2.78 by 100
2.78 ÷ 100 = 0.0278
So, 0.0278 is 1%. Divide 0.07 by 0.0278 to get the answer.
0.07 ÷ 0.0278 ≈ 2.518
2.518 ≈2.5
Therefore, the percentage increase is approximately 2.5% (that's the answer).

Hope this helps!