5/7 of a number exeeds by 65 gives 80. find the number
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Answer:
let the unknown number be x
a/q 5/7 *x +65=80
= 5/7*x= 80-65
= 5x= 15 *7
= x = 105/5
∴ x= 21
so the required number is 21.
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21
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