Question

In 20 days, the earth picks up 1.25 x 10 kg dust from
the atmosphere. In how many days will it pick up
6.25 x 10 kg of dust?​

Answer 1

Answer:

In 10 days.

Step-by-step explanation:

1. If in 20 days it picks 1.25x10 kg then in 1 day it picks 0.625x10kg dust
2. So 0.625x10x10=6.25x10

Answer 2

Answer:

In 10 days.

If in 20 days it picks 1.25x10 kg then in 1 day it picks 0.625x10kg dust

So 0.625x10x10=6.25x10