菲力牛排
Filet Mignon
题目详情
你的烤架一次最多可容纳 3 块菲力牛排。牛排的一侧需要一分钟才能煮熟,而两面都必须煮熟才能被认为可以食用。煮 4 块菲力牛排需要多少分钟?
Your grill can hold a maximum of 3 pieces of Filet Mignon at a time. It takes one minute to cook one side of the steak and both sides must be cooked in order for it to be considered ready to eat. How many minutes will it take you to cook 4 pieces of Filet Mignon?
解析
我们将 、、、 表示为四个部分,并将 、、、 ... 、 表示为它们的边。在第一分钟内,我们将敬酒 、、,然后在第二分钟内,我们将敬酒 、、。最后,在第三分钟,我们将为 和 干杯。因此,煮四块牛排总共需要3分钟。
Original Explanation
Let's denote , , , to be the four pieces and we will denote , , , ... , to be their sides. During the first minute we will toast , , and then during the second minute we will toast , , . Finally, during the third minute we will toast and . Therefore, it will take 3 minutes in total to cook the four pieces of steak.