Two-numbers-are-respectively-20-and-10-more-than-a-third-number-How-much-percent-is-the-first-number-more-than-the-second-Mastermind-

Question Number 171801 by Mastermind last updated on 21/Jun/22

Two numbers are respectively 20 % and

10 % more than a third number . How

much percent is the first number more

than the second ?

Mastermind

Answered by thfchristopher last updated on 21/Jun/22

Let a, b and c be the three numbers in order such that :

a = 1.2 c

b = 1.1 c

∴ \frac{1.2 c - 1.1 c}{1.1 c}

\approx 0.091

The first number is 9 . 1 % greater than the second number