Question

b) A petrol tanker is 2/5 full of petrol. 90 litres more are required to fill it up. How many litres can the petrol tanker hold?

please do fast step by step
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Answer 1

2/5 is filled hence 3/5 is empty.

empty area can hold 90 litres

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(3/5)x=90

x=90*5/3

x=30*5

x=150

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HENCE THE TANKER CAN HOLD 150 LITRES OF PETROL...

Answer 2

Answer:

$\frac{2}{5} \: of \: the \: tanker \: is \: filled \: up \:[ 1 - \frac{2}{5}] \: of \: the \: tanker \: is \: empty \: \\ \frac{3}{5} \: of \: the \: petrol \: tanker \: can \: hold \: 90 \: litres. \\ therefore \: a \: full \: tanker \: can \: hold \: 90 \times \frac{5}{3} \: or \: 150 \: liters$