Terry is having lunch at a salad bar. There are two types of lettuce to choose f

游客2024-01-14  31

问题 Terry is having lunch at a salad bar. There are two types of lettuce to choose from, as well as three types of tomatoes, and four types of olives. He must also choose whether or not to have one of the two types of soup on the side. If Terry has decided to

选项 A、9
B、11
C、24
D、48
E、54

答案 D

解析 This is a relatively simple problem if you know the process--and you read carefully. All you have to do is multiply the number of options: 2 types of lettuce, 3 types of tomatoes, 4 types of olives, and 2 soup options. (You did remember the soup, didn’t you?) 2×3×4×2=48, so 48 is our answer.
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