The ratio of the number of cups of blue paint to the number of cups of red paint that Lara mixed to make a shade of purple paint is 3:1.
Part A: Write a sentence to describe the number of cups of blue paint that Lara mixed with each cup of red paint. (4 points)
Part B: How many cups of red paint should Lara add to each cup of blue paint to make the shade of purple? Explain your reasoning. (4 points)
Part C: If Lara purchased 6 cups of blue paint for $48, what is the unit price per cup of blue paint? (2 points)

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@moudown828 @triciaal @welshfella

ratio is 3:1, so for every 1 cup of red she added 3 blue

that answers a and b, and to get c you divide 48 by 6, which is $8

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