document.write( "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?
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Algebra.Com's Answer #532451 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi
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document.write( "Let x represent the constant of proportionality
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document.write( "5x + 2x = 126
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document.write( "   7x = 126
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document.write( "    x = 18 
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document.write( "5x = 90, how many of those would you expect to be food purchases\r
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