Business You manage a clothing store and budget $6000 to restock 200 shirts. You can buy T-shirts for $12 each, polo shirts for $24 each, and rugby shirts for $36 each. If you want to have twice as many rugby shirts as polo shirts, how many of each type of shirt should you buy?
How many unknowns are there?
There are three unknowns: the number of each type of shirt.
Step 1 Since 12 is a common factor of all the terms in equation
Step 2 Substitute
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Step 3 Write
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Step 4 Substitute the value of y in
You should buy 20 T-shirts, 60 polo shirts, and 120 rugby shirts.