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 x
According to question,
x × 65 /100 + 21 = 4x/5
65x/100 - 4x/5 = - 21
( 65x - 80x)/100 = - 21
- 15x = - 2100
x = 140
Md Azizur Rahman
Founder of Satt
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