SOLUTION: In a small store at a community college, students can buy food products and school supplies. The ratio of food purchases to school supply purchases is 5 to 2. If the store had 126

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Question 881750: In a small store at a community college, students can buy food products and school supplies. The ratio of food purchases to school supply purchases is 5 to 2. If the store had 126 sales in one day, how many of those would you expect to be food purchases?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi
Let x represent the constant of proportionality
5x + 2x = 126
7x = 126
x = 18
5x = 90, how many of those would you expect to be food purchases