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mestny [16]
3 years ago
9

A water bill has increased by 25% to £52.50 work out the original cost?????

Mathematics
1 answer:
olga_2 [115]3 years ago
5 0
100% - 25% = 75%

52.50 = 75% of what number?

52.50 = 0.75x

Let x = original cost

52.50 ÷ 0.75 = x

70 = x

The original cost was £70.
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