close
標題:

aa.jpg

 

此文章來自奇摩知識+如有不便請留言告知

超易初中maths,20分送!急快!!!!!!!

發問:

Convert the following percentages to fraction,and simplify where necessary 1)125%。2)0.02%1)mr chan spends 5000$ on rent which is 62.5%of his salary?2)there are 125 animals in a zoo. 12%. of them are monkeys and 8%are deers.how many monkeys and deers totally in zoo?3)ken spend 20% of his monthly salary... 顯示更多 Convert the following percentages to fraction,and simplify where necessary 1)125%。2)0.02% 1)mr chan spends 5000$ on rent which is 62.5%of his salary? 2)there are 125 animals in a zoo. 12%. of them are monkeys and 8%are deers.how many monkeys and deers totally in zoo? 3)ken spend 20% of his monthly salary on food,43.5 %on rent,8.5% on clothes,15%on traveling,7%on tax,and save the rest.if he saves $1080per month, what is his monthly salary? 4)in a ball,there were 8000 female participants ,which were 40%of the total participants.given that there were 25000 seats in the ball 1)find the total number of participants and 2)find the percentage of seats occupied by all participants express the following fractions as percentages 1)24over60. 2)240over720 if x is 25%of 150,find x 20 分送!急! 20 分送到!急! if 102 is 68%of p,find p

最佳解答:

Convert the following percentages to fraction,and simplify where necessary 1)125%。2)0.02% ans: 1)125%=125%/100%=125/100=5/4 2) 0.02%=0.02%/100%=0.02/100=2/10000=1/5000 1)mr chan spends 5000$ on rent which is 62.5%of his salary? ans: 5000/62.5%=$8000 2)there are 125 animals in a zoo. 12%. of them are monkeys and 8%are deers.how many monkeys and deers totally in zoo? ans: Moneys:125x12%=15 Deers:125x8%=10 monkeys and deers in total: 15+10=25 3)ken spend 20% of his monthly salary on food,43.5 %on rent,8.5% on clothes,15%on traveling,7%on tax,and save the rest.if he saves $1080per month, what is his monthly salary? ans: 1080/(1-20%-43.5%-8.5%-15%-7$)=1080/6%=$1800 4)in a ball,there were 8000 female participants ,which were 40%of the total participants.given that there were 25000 seats in the ball 1)find the total number of participants and 2)find the percentage of seats occupied by all participants ans:1)8000/40%=20000 participants 2)20000/25000=4/5=80% express the following fractions as percentages 1)24over60. 2)240over720 ans: 1)24/60=0.4=40% 2)240/720=24/72=3/9=1/3=0.333333...=33.33% (correct to 2 decimal places) if x is 25%of 150,find x ans: 150x25%=37.5 if 102 is 68%of p,find p ans: 102/68%=150

其他解答:
arrow
arrow

    ute40zf07t 發表在 痞客邦 留言(0) 人氣()