Question

A grapefruit is 8% heavier than an orange, and an apple is 10% lighter than the

orange.
By what percentage is the grapefruit heavier than the apple?
pls answer

Answer 1

The grapefruit is 20% heavier than the orange:)

Explanation:

Let the weight of orange be x.

This means that the weight of grapefruit is:

1.08x

( Since grapefruit is: 8% heavier than orange )

Also, the weight of apple is 10% lighter than apple.

This means that the weight of apple is: 0.90 x

Answer 2

Grapefruit=108

Orange=100

Apple=90

a) (108-90)/90*100 = 18/90*100=20%

b) (108-90)/108= 18/108*100=16 2/3%