Question

The ratio 400g:1kg can be written in the form 1:n
Find the value of n

Answer 1

n = 0.0025

Explanation:

400g —————> 1kg

Then

400g —————> 1000g

or 1000/400 = 2.5 ⇔ 400 × 2.5 = 1000

Then

1g ———————> 2.5 × 1 = 2.5g = 0.0025kg