英文数学题!!! 在线====== 急

来源:百度知道 编辑:UC知道 时间:2024/05/29 06:19:38
1. This coming Halloween, Tom plans to scare twice as many poeple as sam, and sam plans to scare three thime as many people as roz. In all, they plan to scare at most 2005 people. If no one is scared more than once, at most how many people does Sam plane to scare?

2. Counting every possible square of each size from 1x1 to 5x5, what is the squares which can be traced out along the lines of the accompanying grid?

详细步骤!!! 好的加分!!!!!

sam为x tom为2x,roz就为1/3x
x+2x+1/3x<=2005 x<=601.5 最多601

sam是roz的三倍,而tom是sam 的两倍而三个人最多能是2005,即可列一个方程设roz为x,那么sam为3x,tom为6x
方程为 x+3x+6x=2005
解出即可得x为200.5,那么3x=401.5

不懂