英语翻译
问题描述:
英语翻译
i have $175 in my wallet,consisting of $10 and $5 notes.if i have twice as many $10notes as $5 notes,how many $5notes do i have?
答
7
我有175美元,包括若干张10美元和5美元.如果10美元的张数是5美元的张数的2倍,那么我有多少张5美元