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Mathematics, 27.11.2020 01:20 mary9590

A car is travelling at 40 kilometres per hour. The car increases its speed to 56 kilometres per hour. Calculate the percentage increase in the speed of the car. Need the answer ASAP!
For my homework.
Thank youu

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A car is travelling at 40 kilometres per hour. The car increases its speed to 56 kilometres per hour...
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