When 30% of one number is subtracted from another number, the second number reduces to its four-fifths. What is the ratio of the first to the second number?

When 30% of one number is subtracted from another number, the second number reduces to its four-fifths. What is the ratio of the first to the second number? ?

Created: 2 days ago | Updated: 2 days ago | Created By:

Imran Ahmed

3 : 2

2 : 3

2 : 5

4 : 7

0 1

Best Answer Explained in Below-:

Let the 1st number is Xand 2nd number is YSo,Y - 0.3X = 4Y5Y - 4Y5 = 0.3X5Y-4Y5 = 0.3XY5 = 0.3XY = 1.5XNow the ratio of the 1st and 2nd no,X : YX : 1.5X ( Y = 1.5X )1 : 1.5 ( Dividing by X ) 2 : 3 ( Multiplying by 2 ) Ans. 2 : 3

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