Find the buying price of each of the following items when a sales tax of 5% is added on them.
(i) a towel of Rs. 50
(ii) Two bars of soap at Rs. 35 each.
(i) cost of a towel = Rs. 50
Sales tax on a towel = 5% of 50
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= Rs. 2.5
∴ sales tax on a towel = Rs. 2.5
Buying price = cost + sales tax
= 50+2.5
= Rs. 52.5
∴ The buying price of a towel = Rs. 52.5
(ii) cost of a soap bar = Rs. 35
Cost of two soap bars = 35×2 = Rs. 70
Sales tax on a soap bars = 5% of 70
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= Rs. 3.5
∴ sales tax on a towel = Rs. 3.5
Buying price = cost + sales tax
= 70+3.5
= Rs. 73.5
∴ The buying price of a soap bars = Rs. 73.5
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