math
posted by Anonymous .
Car rental agency A charges $50 per day plus 10 cents per mile driven. Agency B charges $20 per day plus 30 cents per mile driven. For a oneday rental it is cheaper to rent from agency A if you drive more than?

math 
PsyDAG
50 + 10x = 20 + 30x
Solve for x. 
math 
Anonymous
x=24

math 
I'm just a random dude
the answer is 150
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