Question

In 25 days,the earth picks up 6×10 8times pounds of dust from the atmosphere. How much dust will it pick up in 15 days?

Answer 1

the earth pick up dust


in 25 day = 6×10^8

now in 5 days =. 6×10^8/ 5

=> 5 days = 12×10^7


now in 15 days = 12×10^7×3
=> 3.6×10^8 ans ...
hope it helps ☺️
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ans