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Question

Alan went to an electrical store to buy television. he paid a total of $600 for 2 similar television.

find the original of 1 television.

Buy 1st TV at 20% discount.

Buy 2nd TV at 30% discount.

 

 

Answer

Buy 1st TV at 20% discount ——- 100u – 20u = 80u
Buy 2nd TV at 30% discount ——- 100u – 30u = 70u

80u + 70u = 150u ——- 600
1u ——- 600/150 = 4
100u ——- 100 x 4 = 400

Ans : $400.

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Originally, 1 Tv costs 10u

first one costs 8u and second one costs 7u. 

15u = $600

5u = $200

10u = $400#

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