AT A FURNITURE STORE, THE PRICE OF A COMPUTER SET IS 20% THAT OF A SOFA SET. MISS LIM BOUGHT A COMPUTER SET AND A SOFA SET AND WAS GIVEN A 30% DISCOUNT ON BOTH ITEMS. SHE PAID A TOTAL OF $2730 FOR THEM.
(A) WHAT WAS THE PRICE OF THE SOFA SET BEFORE DISCOUNT?
(b) WHAT WAS THE PRICE OF THE COMPUTER SET AFTER DISCOUNT?
Answers
Answered by
2
Answer:
Step-by-step explanation: let the cost of the computer be x , and cost of the sofa set = 20/100 of x
price of sofa and computer before discount = 20/100 x + x
discount = 30 %
total price = 100-30= 70%
⇒ ∴70 % of ( x + 20/100x)
= 70/100x + 70/100 * 20/100x
= 70/100x +14/100x
= 84/100x
but total money paid by lim was $2730
84/100x = 2730
21/25x = 2730
∴ x = 3250
ans (a) price of the sofa set before discount was 3250
ans (b) price of the computer set after the discount became 455
Similar questions