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

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) (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



 

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