two third of a number is 68 less than four-fifth of the number. the number is what?
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Answer: 510 is the number
Step-by-step explanation:
Let number be N.
2/3 * N = 4/5 * N - 68
=> (2/3 - 4/5) N = -68
=>( 10 - 12 )/15 * N = -68
=> -2/15 N = -68
=> N = 68 * 15 / 2
=> N = 34 * 15
=> N = 510
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