Question
Zara purchased a microwave for Rs. 2400 and spent some
amount on service. She marked it up by 25%, gave a Rs. 360 discount, and earned a 15% profit. Find the service charge.Solution
Let service charge = Rs. x
Effective cost = 2400 + x
Marked Price = 1.25(2400 + x)
Selling Price = Marked – 360 = 1.15(2400 + x)
1.25(2400 + x) – 1.15(2400 + x) = 360
0.10(2400 + x) = 360
2400 + x = 3600
x = Rs. 1200
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