A basketball player made exactly 80percent of the shots she was alowed in a foul-shooting contest.She missed the first s
问题描述:
A basketball player made exactly 80percent of the shots she was alowed in a foul-shooting contest.She missed the first shot and then made 14 in a row.If she made 2 of her remaining shots and missed the rest,whick of the following must be ture?
1、她一共20shots 2.她在她剩下的shots里missed 3个3.she made 40 percent of her remaining shots.看不懂
答
一个篮球运动员的投球率是百分之八十,他第一次失了球,然后投进了14个球,剩下的球他投进了2个,其他都没投进,下面哪些是正确的?
A 他一共投了20个球这个是对的16除以0.8等于20
B剩下的球他丢了3个这个是对的剩下的球一共是5,投进了2个,3个没投进
C剩下的球中,他的命中率是百分之八十 这个是对的2除以5等于0.4
所以答案是E,全选的.