理查德先生计划投资20000美元到一个年利息6%的账户.他要是想让第一年全部投资的收益为4%,需要另投多少到一个年利息3%的账户上?
设他需要投资到3%项目的资金为x,则
20000*(1+6%)+ x*(1+3%)=(20000+ x)*(1+4%)
我算的结果是 x = 40000,对吗?
GRE数学 请帮我看看
GRE数学 请帮我看看
Mr. Richard plans to invest $20000 in an account paying 6% interest annually. How much more must he invest at the same time at 3% so that his total annual income during the first year is 4% of his total initial investment?
第二句话有些不懂
Mr. Richard plans to invest $20000 in an account paying 6% interest annually. How much more must he invest at the same time at 3% so that his total annual income during the first year is 4% of his total initial investment?
第二句话有些不懂
英语人气:591 ℃时间:2020-05-19 01:03:50
优质解答
我来回答
类似推荐
猜你喜欢
- 1万能表测220的电阻怎么测
- 2Jack的年龄是Bill的2倍,Bill比Ben小8岁,Ben比Ted小4岁,Ted的年龄是Jack的一半.Bill多大?
- 3我的老师作文400字
- 4桂花 雄蕊 雌蕊 花萼 的数目是多少 茉莉花 雄蕊 雌蕊 花萼 的数目是多少
- 5I think i`ll take fishing after i retire.It`s a good hobby.
- 6将一根木料锯成5段,每据一次用的时间相等,则锯一次的时间占全部时间的几分之几
- 7写出下列各个角终边相同的角的集合S,并写出S中适合不等式-360≤α
- 8两个数都是合数,又是互质数,他们的最小公倍数是120,这两个数的最大公约数是_,其中较小的合数是_.
- 9观察夜空里的牛郎,织女星,查找有关它们的天文知识拜托各位大神
- 10硫酸钾的硫的质量分数是,