Question

Rina lost her weight in the ratio 5:3. Her original weight was 80 kg . What is her new weight

Answer 1

Explanation:

lost weight =5:3

=5k/3k

original weight=80kg

present weight + lost weight=80 -----------1)

(let present wt be x)

x+5k/3k=80

x+5/3=80

x=80-5/3

x=78.33kg

therefore,the present wt=78.33kg.