Question

A shade of green paint is to be mixed with 3 parts blue and 2 parts yellow. Ten gallons of green paint are to be mixed.How many gallons of yellow paint must be used?
a.4.
b.2.
c.5.
d.6 2/3.

Answer 1

A. 4 gallons of yellow paint are used

3 parts blue + 2 parts yellow = 5 total parts
10 gallons ÷ 5 parts = 2 gallons per part
2 gallons per part × 3 parts blue = 6 gallons blue paint
2 gallons per part × 2 parts yellow = 4 gallons yellow paint
Answer = a. 4