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masha68 [24]
3 years ago
11

Betsy drove from london to wolverhampton.it took her 2.5 hours at an average speed of 56 miles per hour.Mac drove the same journ

y by motor bike.It took him 2 hours.Assuming that both took the same route,work out Mac's average speed in mph.
Mathematics
1 answer:
sergiy2304 [10]3 years ago
4 0

Answer:

44.8 mph

Step-by-step explanation:

Betsy drove from london to wolverhampton.it took her 2.5 hours at an average speed of 56 miles per hour.Mac drove the same journy by motor bike.It took him 2 hours.Assuming that both took the same route,work out Mac's average speed in mph.

The above question is solved using Proportion method

2.5 hours = 56 mph

2 hours = x mph

Cross Multiply

2.5 hours × x mph = 2 hours × 56 mph

x mph = 2 hours × 56 mph/2.5 hours

x mph = 44.8 mph

Therefore, Mac's average speed = 44.8 mph

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Answer:

To find the inverse of:

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Swap x and y:

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Change y to the inverse of the function sign:

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