SOLUTION: after spending 5/12 of his salary, a man has $420 left. what is his salary asvab book

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Question 210991: after spending 5/12 of his salary, a man has $420 left. what is his salary asvab book
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
(7/12)x=420
7x/12=420
7x=420*12
7x=5,040
x=5,040/7
x=720 was the full salary.
Proof:
720-(5/12)720=420
720-3600/12=420
720-300=420
420=420