contestada

Jack’s first weight increased by 20% and then his new weight decreased by 25%. His final weight is what percent of his beginning weight?

Respuesta :

Lets suppose his initial weight was 60 kilograms

A gain of 20%  would make his new eight  60 + 20*60/100

=  60 + 12

= 72 kg

he lost 25% of this:-

= 72 -   25 * 72/100 =  54 kg

This = (54/60) * 100  = 90% of his beginning weight  Answer