1. The price of an apple increases by $0.25. Now it costs $4 more to buy 32 apples than to buy 36 apples before the increase. Find the original price of an apple.
2. There are 42 students in F.1A. The number of boys is 1/3 more than that of girls. Find the numbers of boys and girls respectively.
Set up a equation!
Explain your answer! you can explain it in ENG or CHI
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2008-04-22 2:05 am
回答 (1)
2008-04-22 3:28 am
✔ 最佳答案
1.(x+0.5)*32=36x+4x=3
2.g=4/3 *(42-g)
g=18
b=42-18
=24
收錄日期: 2021-04-25 13:36:57
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