The amount Shirley paid for the Fax machine is $488.
How to find the amount Shirley paid for the machine?
Shirley buys a fax machine and sells it to Devi at a gain of 25% on the cost price.
let the cost Shirley bought the machine = x
Therefore,
selling price = 25% of x + x = 0.25x + x = 1.25x
Devi then sells the fax machine to Amirah at a loss of 250 on the price at which she buys it from Shirley.
Amirah pays $360 for the fax machine.
Therefore,
loss = cost price - selling price
250 = 1.25x - 360
Therefore,
250 + 360 = 1.25x
610 = 1.25x
x = 610 / 1.25
x = $488
Therefore, the amount Shirley paid for the Fax machine is $488.
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