Question

cost of 1 liter petrol is rs 45 2\3 ,find the cost of 4 1\2 liter of petrol​

Answer 1

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cost of 1 liter petrol  $=$ $45\frac{2}{3}$  $= \frac{137}{3}$

then,

the cost of $\frac{41}{2}$ liter =  $\frac{41}{2}$ × $\frac{137}{3}$

$\frac{41}{2}$ L = $\frac{401}{2}$