Math, asked by banikoul9583, 1 year ago

on decreasing a number by 18% it becomes 697 what is the number

Answers

Answered by birajsharma2166
2
Hey mate
answer is 850
let the number be r
697=r-18% of r
697=r-18r/100
697=100r-18r/100
697=82r/100
697*100=82r
69700/82=r
r=850
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