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Please help me solve

Please help me solve-example-1

1 Answer

3 votes

Answer:

0.09 l

Explanation:

Given:

900 ml ⇒ 10s

Required:

Liters per second

Analyze:

Let the unknown amount be x.

900 ml ⇒ 10s

x ⇒ 1s

Solve:

Use cross multiplication

900 × 1 = 10 × x

900 = 10x

Divide both sides by 10.

90 ml = x

To covert the answer into liters divide it by 1000.

0.09 l = x

Paraphrase:

We breathe 0.09 liters of air per second

User Albert Godfrind
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