问一道用英语出的数学题!急!if the width of a rectangle is increased by 25% whi_英语解答

问一道用英语出的数学题!急!
if the width of a rectangle is increased by 25% while the length remains constant ,the resulting area is what percent of the orginal area?
第二道：Mr jones can mow his lawn in x hours .After 2 hours ,it begins to rain.What part of the lawn is left unmowed?

人气：283 ℃　时间：2020-03-28 10:30:33

解答

1、矩形的宽增加25%,长不变.所得矩形面积是原来的百分之多少?
125%
2、Mr jones修完草坪需要x小时,2个小时后开始下雨.剩下未修的草坪占多少?
（2-x）/x