Henry needs 2 pints of red paint and 3 pints of yellow paint to get a specific shade of orange. If he uses 9 pints of yellow paint and wants the same orange color, how many pints of paint will he need altogether? Explain how you know.

Question

darkknight · Answer

ratio of 2 red paints to 3 yellow paints
so 2:3
now if she uses 9 yellow paints to keep the ratio even, how many red paints should she use?

2:3
and x:9
What is x?

llamaleah · Answer

is it 3

darkknight · Answer

2:3
x: 9
If we cross multiply we have 18 = 3x
What is x?