SOLUTION: 65% of a number is 21 less than 4/5 of that number. what is the number?
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Question 806570
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65% of a number is 21 less than 4/5 of that number. what is the number?
Answer by
richwmiller(17219)
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.65x=4/5x-21
.65x=.8x-21
21=.15x
x = 140.