SOLUTION: A repairman purchased several furnace-blower motors for a total cost of $450. If his cost per motor had been $5 less, he could have purchased 1 additional motor. How many motors di

Question 1153396: A repairman purchased several furnace-blower motors for a total cost of $450. If his cost per motor had been $5 less, he could have purchased 1 additional motor. How many motors did he buy at the regular rate?
Answer by ikleyn(52776) (Show Source): You can put this solution on YOUR website!
.


Let x be the actual price per motor.

Then hypothetical price would be (x-5) dollars.


The equation to find x, from the condition, is


     -  = 1.     (1)


You can solve it using formal algebra, but the solution is clear even without it:


    x = 50 dollars.      ANSWER


CHECK.  Check validity of the equation (1):   -  = 10-9 = 1.   ! Correct !

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