Sixty-five percent of a number is 21 less than; four-fifth of that number.What is the number?
Created: 6 years ago |
Updated: 3 years ago
best des
Let, the number is x
65% of x is = 65x/100 = 13x/20
According to question,
13x/20 = 4x /5 - 21
4x/5 - 13x/20 = 21
(16x - 13x)/20 = 21
3x = 320
x = 140
Md Azizur Rahman
Founder of Satt
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