wiah214
wiah214 wiah214
  • 02-07-2018
  • Mathematics
contestada

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

Respuesta :

harpazo
harpazo harpazo
  • 02-07-2018
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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