Mathematics, 05.03.2021 14:00 jesspatrick91810

Last month the cost of using the air pump at a garage was 20p. This month the cost of using the air pump is 50p.
Tom says,
“50 = 20 = 2.5 so the cost of using the air pump has increased by 250%"
(a) Is Tom correct?
Explain your answer.

Answers: 2

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Last month the cost of using the air pump at a garage was 20p. This month the cost of using the air...