Question

The cost of a 9 litter of petrol is $ 378. How much is 15 litres of petrol cost ?

Answer 1

Answer:

$630

Step-by-step explanation:

cost of each litter of petrol 378/9=42

cost of 15 liters of petrol 42x15=630

15 litters of petrol cost $630

Answer 2

Answer: $630

Step-by-step explanation:

$9l$ = $$378$

$\frac{378}{9}$ to find $xl$ = $42

• This means $1l$ = $42
• $42$ × $15$ = $$630$