智力测验题(英语)I only have two minutes to catch the train,but there are two miles from my house to the train station.If I go the first mile at the rate(速率)of 45 miles per hours ,at what rate must I go the second mile in order to cat

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 18:34:03
智力测验题(英语)I only have two minutes to catch the train,but there are two miles from my house to the train station.If I go the first mile at the rate(速率)of 45 miles per hours ,at what rate must I go the second mile in order to cat
xRMN@ۚ4-bB`T6cmB;T⎕ 0#х!$.4pWpAyL2VP1n2.[f6.% ~t xr̀ ^q;rȓŀ7&6%x҃ '½G%^ ]x*E˙Ӻ< 6uibKh[w䑐 ޑ R6%*e*UoS` 8{g38p K3H=|ZXFPÑh߬ :nvW&{k4e S[ߏidEJw=36vy=3ۭdI]  l w

智力测验题(英语)I only have two minutes to catch the train,but there are two miles from my house to the train station.If I go the first mile at the rate(速率)of 45 miles per hours ,at what rate must I go the second mile in order to cat
智力测验题(英语)
I only have two minutes to catch the train,but there are two miles from my house to the train station.If I go the first mile at the rate(速率)of 45 miles per hours ,at what rate must I go the second mile in order to catch the rain?
A.30m.ph B .45m.ph C.60m.ph D.90m.ph

智力测验题(英语)I only have two minutes to catch the train,but there are two miles from my house to the train station.If I go the first mile at the rate(速率)of 45 miles per hours ,at what rate must I go the second mile in order to cat
在前一英里中,速度是3/4,用时4/3分,后一英里需用时2/3分,计算,速度是90英里/小时,选D