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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?

Answer :

perixwinkle
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.

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