Question

Please help thank you!

Answer 1

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Suppose the the original price is :

`x`

Thus ;

`x - (75)/(100)x = 30 \\`

`x - (3)/(4) x = 30 \\`

`(1)/(4) x = 30 \\` Multiply sides by 4

`x = 120`

Thus the original price is 120 .

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