math3 quick help

2010-11-14 2:19 am

question10(4 marks)
The list price of a product in Hong kong Sogo Japanese money $3200.During the sales period,this product is 10%off.If a customer buys 10 units or more,further 5% off(i.e. total 15% off.
) If Dennis prepares to buy12 units,what should he pay in HKD?
(given Japanese money $1000=HKD83.2)
Please answer in english
Please write the step and round your answer in 2d.p.(如果個answer的小數點後的數字是一樣)
如果如果個answer的小數點後的數字是不一樣,直接寫出來

請列出算式和答案

回答 (1)

ShikaP

2010-11-14 2:40 am

✔ 最佳答案

the list price of a product in Hong kong Sogo 3200yen.During the sales period,this product is 10%off.If a customer buys 10 units or more,further 5% off(i.e. total 15% off.) If Dennis prepares to buy12 units,what should he pay in HKD?
(given Japanese 1000yen=HKD83.2)

Please answer in english
Please write the step and round your answer in 2d.p

sol
3200yen
=3200/1000*83.2 HKD
=266.4 HKD

the price of sogo when he buy more than 10
=266.4*(1-15%)
=266.4*0.85
=226.44 HKD

he should pay
=226.44*12
=2717.28,cor to 2 dp

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