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In 10 days, the earth picks up 2.6 x 108 pounds of dust from the atmosphere. How much dust will it pick up in 45 days? |
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Answer» Let the weight of dust picked up is x pounds
\(\frac{10}{2.6\times 10^8}\) = \(\frac{45}{x}\) On cross multiplication, we get 10 x x = 45 x 2.6 x 108 x = \(\frac{45\times 2.6\times 10^8}{10}\) = 11.7 x 108 Therefore the weight of dust picked up is 11.7 × 108 pounds |
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