Question

Martin needs 3.25 gallons of red paint for his small barn and 1.25 gallons of paint for his shed. He spends $81 on paint. How much does the paint cost per gallon?

Answer 1

Given - Amount of paint required for small barn - 3.25 gallons

Amount of paint required for shed - 1.25 gallons

Amount Martin spends on paint - $81

Find - Amount of paint cost per gallon.

Solution- Total amount of paint required for painting - 3.25 + 1.25 - 4.5 gallons.

Cost of 4.5 gallons paint - $81

Cost of 1 gallon paint - 81/4.5

Cost of paint - $18

Hence, the paint cost per gallon is $18.