Two numbers are such that the ratio between them is 4:7 . If each is increased by 4, the ratio becomes 3:5 . The larger number is :
Created: 6 years ago |
Updated: 3 years ago
best des
4 x + 4 7 x + 4 = 3 5 ⇒ 20 x + 20 = 21 x + 12 ⇒ x = 8
A : B
4x : 7x
Now 4 is added to each number
∴ Smaller number is 4 × 8 = 32
Larger number is 7 × 8 = 56
Md Azizur Rahman
Founder of Satt
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