Our friend's mistake when wanting to make a new mixture of pink paint is that she is only going to add 2 parts of white paint, the correct formula would be 3.
To mix 3 gallons of pink paint we must take into account the following information:
To find out how many parts we need to prepare 3 gallons of pink paint we must multiply the mix values for a gallon by 3.
Red paint:
White paint:
Based on the above, we need to use 3 parts white paint and 9 parts red paint to make 3 gallons of pink paint.
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