土豪村2000人分红5亿:5555555~~~,帮帮忙解解啊,我不会啊
不是帮忙翻译啊,是数学题,帮我解出来啊
hehe解出来了,要谢谢另一位网友:)!!
设1月销量为Q,3月销量为5Q.
设1月价格为P,2月比1月降价X%,即2月价格为P(1-X%),3月价格为P(1-X%)(1-2%).
由收入=销量*单价,
5Q*P(1-X%)(1-2%)=PQ*(1+296%)
可以解得X%=94/98*5
解得X%=大概是19%
哎!我怎么做不来呢???????????唉~~~~~~~~~
A shopping mall in the first quarter will be a home for two consecutive cuts, which in March than in February cut the price to drop more than two percentage points (or 2%), resulting in sales in March than a few Taiwan in January increased by 4 times, 296% increase in sales revenue, asked in February than in January price percentage?
The some market compare a certain appliance carry on continuously to reduce price twice,3 among those monthses reduce price to compare the February to reduce price to to decline two more percentage points( namely 2%), the sale set of the March of result number January to increase in the first quarter degree 400%, sell the income to increase 296%, ask to compare February to reduce price January 100 divide it several?