求解释英文数学题

问题描述:

求解释英文数学题
If the total energy usage today has reduced by 6% compared to that of year 2000,
by how much is today’s usage
我觉得应该是用2000年时的数字乘以94%,而答案却是用它除以1.06,为什么.

可能答案出错了.