数学问题：x and y are numbers on the number line求解释,谢谢~~~!

题目

数学问题：x and y are numbers on the number line求解释,谢谢~~~!
1）x and y are numbers on the number line
比较x和y的大小
2）x大于0
question: 比较the average cost per issue of a magazine subscription that costs 2x dollars for 24 issues 和 the average cost per issue of a magazine subscription that costs 3x dollars for 35 issues 的大小
3） the diagonal of square region s is 2.5
question: 比较the area of region s 和3.125的大小

答案

1 无图
2 2x/24