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joshuahinton45
15.01.2020 •
Mathematics
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 ?
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Ответ:
30% increase.
Step-by-step 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%
Ответ:
30% increase
Step-by-step explanation:
(39-30)/30 × 100
9/30×100=(9×100)/30=900/30=30
Ответ:
B, 2236 sq. inches
Step-by-step explanation:
base times height times 1/2