Question

Asked Jan 30, 2020

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An automobile engine can run on a mixture of gasoline and a substitute fuel. if gas cost $3.40 per gallon and the substitute fuel cost $ 2.00 per gallon what percent of a mixture must be substitute fuel to bring the cost down to $2.14 per gallon

Step 1

Let x = amount of $3.40 fuel

then

(1-x) = amount of $2.00 fuel

Step 2

According to question,

Step 3

On solvin...

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