the sum of a number and a 1/7 of it is 88 what is the number
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Answer:
Let the 1st number = x
2st number = x/7
x+x/7 = 88
8x/7 = 88
8x = 88×7
x = 88×7/8
x = 77
1st number = 77
2st number = 77/7 = 11
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