數學!!!!!!!!!!!!!(20點)急!!!買野既問題

2010-09-26 6:10 am
a店牛奶賣6蚊1盒(3送1)
b店賣4.8一盒
咁點買先最平呢(冇話買幾多)

回答 (6)

2010-09-26 9:28 am
a店買4盒要18元
b店買4盒要19.2元
參考: myself
2010-09-26 7:14 am
a店牛奶賣6蚊1盒(3送1)
b店賣4.8一盒
a店1盒 = (3*6)/4 = $4.5
b店1盒 = $4.8
最平 = 由a店買3盒,送1


a店最平,,, if you buy 4盒

a店:$6x3 (3送1)=18

b店:4.8x4=19.2
2010-09-26 6:21 am
shop a(3+1 milk):6x3=18
Each :18/4=4.5
shop b(each milk):4.8
shop a<shop b
shop a is cheaper
but
shop a each milk:6
shop b each milk:4.8
shop a>shop b
shop b is cheaper
參考: me
2010-09-26 6:17 am
a店牛奶賣6蚊1盒(3送1)
b店賣4.8一盒
a店1盒 = (3*6)/4 = $4.5
b店1盒 = $4.8
最平 = 由a店買3盒,送1


a店最平,,, if you buy 4盒

a店:$6x3 (3送1)=18

b店:4.8x4=19.2
2010-09-26 6:16 am
a店牛奶賣6蚊1盒(3送1)
b店賣4.8一盒
a店1盒 = (3*6)/4 = $4.5
b店1盒 = $4.8
最平 = 由a店買3盒,送1
參考: Hope the solution can help you^^”
2010-09-26 6:15 am
a店最平,,, if you buy 4盒

a店:$6x3 (3送1)=18

b店:4.8x4=19.2


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