一些数学题，帮帮忙！！！！！！！！！！！！！！！！！！！！！
我不知道这英语啥意思，就照打出来了.1.Inaclassof30students,21ofthemwearglasses.Fiindthepercentageofstud...
我不知道这英语啥意思，就照打出来了.
1.
Ina class of 30 students,21 of them wear glasses.Fiind the percentage of students who wear glasses in the class.
2.
The weight of Tommy is 20% heavier than that of Wendy's weight is 48 kg,fing Tommy's weight?
3.
The original price of a pair of glasses is $850.If if is sold $170 less,fingthe discount percentage.
4.
There are 50 staff in a company.If 20 of them are female,find the percentage of male staff in the company.
5.
The marked price of an LCD television is $12000.If a discount percentage of 30% is offered,fing the selling price.
希望各位为我解题。 展开
1.
Ina class of 30 students,21 of them wear glasses.Fiind the percentage of students who wear glasses in the class.
2.
The weight of Tommy is 20% heavier than that of Wendy's weight is 48 kg,fing Tommy's weight?
3.
The original price of a pair of glasses is $850.If if is sold $170 less,fingthe discount percentage.
4.
There are 50 staff in a company.If 20 of them are female,find the percentage of male staff in the company.
5.
The marked price of an LCD television is $12000.If a discount percentage of 30% is offered,fing the selling price.
希望各位为我解题。 展开
1个回答
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