Tommy buys 5 film tickets. He gives x $100 notes to the booking clerk,
and has $30 change. Find the price of each ticket.
(Give the answer in terms of x.)
Answer:____________
F.1 Maths
2010-10-28 6:34 am
回答 (4)
2010-10-28 7:06 am
✔ 最佳答案
=(100x -30) ÷5( 100x - 30)
------------------
5
2010-10-28 10:38 pm
The $y be the price of each ticket
100x-5y=30
x=(30+5y)/100
x= 3+y/2 ,,
100x-5y=30
x=(30+5y)/100
x= 3+y/2 ,,
參考: me ar A_A
2010-10-28 6:39 am
100x-5y=30
100x-30=5y
y=20x-6
100x-30=5y
y=20x-6
2010-10-28 6:38 am
$14..................
收錄日期: 2021-04-23 22:10:59
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20101027000051KK01385