Maths / Direct and Inverse Variation / Direct Variation

QUESTION
 

A motor boat covers 400 km in 20 hrs. what distance will it cover in 9 hrs(speed remaining the same)?

 

EXPLANATION
Explain TypeExplanation Content
Text

large frac{400}{20}=frac{x}{9}

large x=frac{400times 9}{20}=180

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