What number must be added to 7\2of4\5so that the sum may be 18
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number added is 76/5
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let x be added ...
so... a/q , x+7/2×4/5=18
x+43/10=18
x+4.3=18
x =13.7
....so answer is 13.7
so... a/q , x+7/2×4/5=18
x+43/10=18
x+4.3=18
x =13.7
....so answer is 13.7
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