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標題:

中一數學問題請幫忙

發問:

1. A shop reduced all the prices of its luggage by 25%. A customer bought 2 items of the same luggage from the shop for $1650. (a) What was the marked price of one item of luggage? (b) Find the discount for buying 1 item of luggage. 2. Joan and Kim each ordered the same set dinner... 顯示更多 1. A shop reduced all the prices of its luggage by 25%. A customer bought 2 items of the same luggage from the shop for $1650. (a) What was the marked price of one item of luggage? (b) Find the discount for buying 1 item of luggage. 2. Joan and Kim each ordered the same set dinner at a 20% discount and saved $112 in total. (a) What is the marked price of the set dinner? (b) How much did they pay for the dinner in total? 3 The price of movie ticket for adults is $50. A 10% discount is offered for children. Find the total price of the tickets for 2 adults and 3 children.

最佳解答:

1a) Marked price of one item = $1650/2 =$825 b) Discount for buying 1 item = 25% 2a) Original price of 2 set dinner =$112/20% =$560 Marked price of the set dinner =$(560/2)(1-20%) =$224 b) The amount they paid for =$224x2 =$448 3 The total price =$[50x2+50(1-10%)x3] =$235

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