Question

Syam lost his weight in the ratio 9:5.his original weight was 90 kg. What is the new weight.
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Answer 1

Step-by-step explanation:

let the ratio be 9x and 5x

Original weight :-

9x = 90

x=90/9

x= 10

New weight :-

5x = 5×10

= 50 kg -------(And.)

Answer 2

40 kg

Step-by-step explanation:

Let weight loss be x

New weight will be = 90 - x

90 : x = 9 : 5

5×90 = 9 x

50 = x

New weight will be = 90 - 50 = 40 kg