Question
The average cost of 4 magazines is $40.
After a magazine that costs $70 is removed,
  1. What is new total cost of all the remaining magazines?
  2. What is new average cost of all the remaining magazines?
3 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

The average cost of 4 magazines is $40.
After a magazine that costs $70 is removed,
  1. What is new total cost of all the remaining magazines?
  2. What is new average cost of all the remaining magazines?