Math
posted by Mcgraw .
In order to get to school carly must first take take a bus 12 miles due east. she then gets off that bus and take another bus 9 miles due north in order to reach the school building. if there were a single bus traveling northeast that could take directly to the school from home, how many miles shorter would her route be.

do you know about a 345 right triangle?
hint: 9=3*3 and 12=3*4 . . .
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