问题
填空题
一件大衣若卖100元,可赚钱25%,若卖120元,则可赚钱______%
答案
120÷[100÷(1+25%)]-1
=120÷[100÷125%]-1,
=120÷80-1,
=150%-1,
=50%.
答:若卖120元,则可赚钱50%.
故答案为:50.
一件大衣若卖100元,可赚钱25%,若卖120元,则可赚钱______%
120÷[100÷(1+25%)]-1
=120÷[100÷125%]-1,
=120÷80-1,
=150%-1,
=50%.
答:若卖120元,则可赚钱50%.
故答案为:50.