basic college mathematics
posted by gladys .
mechanic charges $35.00 an hour plus parts to fix a car, if the parts cost $90,00 dallars and it took 5 hours to do the job, what is the tolal cost of the repair

(5 * 35) + 90 = ?

find the perimeter of a triaangle with side 12 inches, 9 inches, and 15 inches

P = s + s + s
http://www.mathsisfun.com/definitions/perimeter.html
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