2)There is a box of pears. 2.5% of it is rotten. 5.5% is eaten up. 50% of the rest is being sold. There are still 92 pears left behind. Find the original amount of pears in the box.
3)From Q1, find the difference between X and Z.
4)Class A tea costs 25% more than class C tea. Class A tea is agaon cost 20% more than class B tea. If class B tea is sold at $5.4 each g, how much will class Ctea cost each g.
更新1:
klhk23: 1)x=10,y=20,z=26 3)z-x=16 你點知x=10,y=20,z=26 我要式 我夠知答案la 使鬼你教
更新2:
5好意思 我5記得話 no方程式
更新3:
快d 快d 如果5是5卑分你地ga