Question

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.

Answer 1

ratio 3/2

3x+2x=8.5

5x=8.5

x=8.5/5

x=1.7

3*1.7=5.1 gallons of red paint

2*1.7=3.4 gallons of yellow paint

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Answer 2

Let the pints of red be X then

$\frac{3}{2} = \frac{9}{x}$

$x = \frac{9 \times 2}{3}$

$x = 6$

So altogether we will need 6+9=15 pints of paint.

Hope it helped:-):-):-)