Question

to make a shade of lavender paint jon mixes 4 ounces of red tint and 28 ounces of blue tint into one gallon of white paint. if 20 gallons of white paint and 80 ounces of red tint are used, how much blue tint should be added?

Answer 1

4+20=24+28=52+80=132
(hope I helped)

Answer 2

For one gallon of white paint, 28 ounces of blue tint are used.  Since we use 20 gallons of white paint, multiply 28 by 20.
28 x 20 = 560
You need to use 560 ounces of blue tint for 20 gallons of white paint.