The sum of a list of numbers equals 4 times the average of the numbers.How many ...【小站备考】

GRE®

登录注册

Question 1 Enter your answer as an integer or a decimal in the answer box. Backspace to erase.

笔记

反馈

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

The sum of a list of numbers equals 4 times the average of the numbers.
How many numbers are in the list?

_____

我的答案：

免费解锁Official71-75真题

(Official1-70可直接使用)

扫码添加助教微信

回复关键词“解锁真题”

即可免费解锁！