1) Two cars A and B 250 km apart are travelling toward each other on the same road.Car A travels at 55km/H while car B at 70km/h.
a) When will they meet on the road?
b) Find the distance each car travels before they meet.
2) Shirley has three types of coins : $1-coins, $2-coins and $5-coins. The number of $5 is more than the number of $1-coins by 3.while the number of 2-coins is 8 more than twice the number of $5-coins .If Shirley has 97 coins altogether, gind the total value of the coins.
中一數學數題
2007-01-22 5:10 am
回答 (2)
2007-02-06 5:29 am
OIC~~
2007-01-22 5:32 am
第一條數小六教過啦=3=[我都系中一生]
２５０ｋｍ
├───────┤
◇≡≡≡≡≡≡≡□
↑ ↑
A B
a)They will meet at
=250÷(55+70)
=.......[X]
b)The distance of Car A
=55×[X]
=.......
The distance of Car B
=70×[X]
=.......
2)吾識la呢題
２５０ｋｍ
├───────┤
◇≡≡≡≡≡≡≡□
↑ ↑
A B
a)They will meet at
=250÷(55+70)
=.......[X]
b)The distance of Car A
=55×[X]
=.......
The distance of Car B
=70×[X]
=.......
2)吾識la呢題
參考: 自己
收錄日期: 2021-04-13 14:23:00
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070121000051KK04642