In may the price of a gallon of gasoline was $4.00 in june the price went up to$4.20 what is the percent of increase in the cost of gasoline

The percent of increase in the cost of gasoline, from May to June, is 5%.

Step-by-step explanation:

We were given the following:

In May the price of gasoline was $4.00 and in June the price went up to $4.20.

We can determine the percent increase as follows:

percentage increase in gasoline(%) = ((final price-original price)/final price)*100

let y be the final percentage increase of gasoline.

So the increase of gasoline as 5%

We can check this by multiplying the original prices by 5% and adding the original price.

what are you trying to solve here

step-by-step explanation: