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Multiplication of Decimals

A car travels...

Question

A car travels $168.75 k m$ in $12.5 L$ of petrol. Find the distance travelled by the car in $15 L$ .

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Solution

Car travels $168.75 ㎞$ in $12.5 ℓ$ of petrol
For $1 ℓ$ of petrol it travels $\frac{168.75}{12.5} ㎞$
$= 13.5 ㎞$
For $15 ℓ$ of petrol it travels $= 15 \times 13.5 ㎞$
$= 202.5$

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