Question

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

Answer 1

Answer: $630

Explanation:

`9l` = $
`378`

`(378)/(9)` to find
`xl` = $42

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

Answer 2

$630

Explanation:

cost of each litter of petrol 378/9=42

cost of 15 liters of petrol 42x15=630

15 litters of petrol cost $630