lemon yellow paint can be made by mixing 5 gallons of yellow paint and 2 gallons of white paint. How many gallons of yellow paint should be mixed with 9 gallons of white paint to make lemon yellow?

if you need that ratio to have lemon yellow. Find out how many gallons of yellow paint you need for every 1 gallon of white paint.

5gallons of yellow for 2 gallons of white so

5:2 = 2.5 gallons of yellow paint for every gallon of white

multiply 2.5 by 9, Because you need 9gallons of white paint. and you get 22.5 or 23 total gallons of yellow paint for 9gallons of white paint