Question

if 15% of A = 20% of B, them A:B=?

Answer 1

Hey!

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15 % of A = 20% of B

A × 15 / 100 = B × 20 / 100

15 A / 100 = 20 B / 100

3 A / 20 = B / 5

3 A × 5 = 20 × B

15 A = 20 B

A / B = 20 / 15

A : B = 4 : 3

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Hope it helps...!!!

Answer 2

Heya.....!!!!

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• 15% of A » 15 / 100 × A
• 20% of B » 20 / 100 × B

According to the question :- 15% of A = 20% of B

=> 15A / 100 = 20B / 100

=> 15A = 20B

=> A / B = 20 / 15

=> A : B = 4 : 3

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