Question

The price of a litre of petrol is increased from C30.00 to C 39.00.

What is the percentage increase in the cost of a litre of petrol ?​

Answer 1

Answer:30% increase

Explanation:

(39-30)/30 × 100

9/30×100=(9×100)/30=900/30=30

Answer 2

30% increase.

Explanation:

Increased cost = final cost - initial cost

Increased cost = 39 - 30

Increased cost = 9

Percent increase from initial cost is given by,

Percent increase = ( Increased cost / initial cost ) * 100%

Percent increase = ( 9 / 30 ) * 100%

Percent increase = 30%