David installed a device on his car that guaranteed ti increase his gas mileage by 15%. He currently gets 22 per gallon. How much will the gas mileage increase after installing the device?

David installed a device on his car that guaranteed it increase his gas mileage by 15%. He currently gets 22 per gallon.

Question: How much will the gas mileage increase after installing the device?

=> 22 gas mileage per gallon is the current measure.

=> 15% is the increased after he installed a device on his car

=> 15% to be converted to decimals

=> 15% =.15

Solution

=> 22 *.15 = 3.3

=> 22 + 3.3 = 25.3 is the current mileage gas.