14 + 2y = 78
78 - 14 = 64
2y = 64
64 / 2 = 32
y = 32
a sales person drove 215 miles frpm new york to washington DC in 4.5 hours what is her average speed?
Dfrom point a to point b=215miles
VELOCITYaverage=change in distance/change in time
Approx.=47.8 or 48mph
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