For 18 L petrol 6 go-kart race of 30 minutes.
Step-step explanation:
We have , 12 L of petrol to raise a go-kart for 20 minutes petrol costs 137 per litre . That means it requires 12 L of petrol to run go-kart of 20 minutes . Petrol costs 137 per L , for 12 L : 137 × 12 = 1644. Now, There are 6 go-kart which use 18 L of petrol , let's calculate, minutes they race with 18 L:
In 12 L , 20 minutes So in 1 L , [tex]\frac{20}{12} minutes[/tex] . ∴ In 18 L , amount of minutes go-kart will race is [tex]\frac{20}{12}[/tex]×[tex]18[/tex] = [tex]30 minutes[/tex]. Also, cost for 18 L is : 137 ×18 = 2466.
Hence, For 18 L petrol 6 go-kart race of 30 minutes.
