math
posted by alex .
admissions to a concerto cost $45. A vendor sells tshirts for $12. You have $90. What is the maximum number of tshirts you can buy?

Assuming you also want to go to the concert ...
12n + 45 ≤ 90
12n ≤ 45
n ≤ 3.75
You can only buy 3 tshirts.
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