30% of a number is 21. What percent of the number is 49?

30% of a number is 21. What percent of the number is 49?

Explanation

30% of x = 21 → (30/100) × x = 21 → x = 21 × (100/30) = 70

Now find what percent 49 is of 70: (49 / 70) × 100 = 70%