SOLUTION: 65% of a number is 21 less than 4/5 of that number. what is the number?

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Question 806570: 65% of a number is 21 less than 4/5 of that number. what is the number?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
.65x=4/5x-21
.65x=.8x-21
21=.15x
x = 140.