word problem

[steveelston]

abes tool rental rents an ax for $10 per day plus 1.20 an hour. tool company rents the same ax for $5 per day plus 1.80 an hour. how many hours must you rent ax from abes to make it the better deal? how would i set this problem up to solve?



confuse in ohio

 

[Guest]

Breakeven type problem
Let the number of hours = x

Then first company charges = 10 +1.2x
second company charges = 5 + 1.8x

Breakeven hours are when first equation = second equation

10 + 1.2x = 5 + 1.8x
5 = 0.6x
8.33 = x

or 8 hours and 20 mins