The cost of gasoline increased 75 percent in one year. If the cost after the increase was $2.45, what was the cost before the increase?

Question

Mathematics

Nadia Graves

28 April, 18:12

The cost of gasoline increased 75 percent in one year. If the cost after the increase was $2.45, what was the cost before the increase?

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Answers (1)

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Rubber · Answer 1

Let's write an equation where X is the cost before.

1.75X=2.45

The 1.75 represents the cost before it increasing.

We need to get X by itself, by dividng both sides by 1.75.

2.45:1.75

1.40

So, the cost before the increase was $1.40.