GMAT
题目
An assembly machine produces 2,000 units of product per hour. Working 15 hours each day, another machine, thrice as efficient, will produce how many units of the same product in 10 days?
解析
答案：(E)
另一台机器的效率 = \(2000 \times 3 = 6000\) 单位/小时
10天的总产量 = \(6000 \times 15 \times 10 = 900000\) 单位
在线客服
官方微信
公众号