A number exceeds its four-sevenths by 18. Find the number.
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let the number be x
A.T.Q
= X +4/7 =18
= 7X+4 = 18
7
= 7X+4 =18×7
=7X+4 =126
=7x =126-4
=7x =122
x = 122/7
x = 17.4
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