Question

Gasoline price is $2.80 per gallon in August. The price increased by 15% in September, dropped 5% in October and dropped another 10% in November. What was the gasoline price in November?? Show work

Answer 1

$2.7531

Explanation:

Please refer to the picture above.

When solving such procedural questions, you should do it step by step. Diagrams like tables can help you visualise the process to avoid making mistakes.

Answer 2

Gasoline price is $2.80 per gallon in August.

The price increased by 15% in September,

dropped 5% in October

and dropped another 10% in November.

The gasoline price in November would be:

2.8 x (1 + 15/100) x (1 - 5/100) x ( 1 - 10/100) = 2.7531

Hope this helps!

:)