Mathematics

14 June, 16:04

Amina sees a discount of 5% on a laptop. She can calculate the amount

she has to pay for the laptop using the expression b - 5/100 b, where b is

the price of the laptop before the discount. If the price after discount is $494, which number from the set {500, 505, 510, 520, 525} is the value of b?

+5

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