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Q. Contributions to the school dance fund are made by each of 4 student groups according to the table below.

Student group A B C D
Contribution in dollars 25 40 30 15
What is the average dollar amount of the contributions made by the 4 student groups?

$110.00
$55.00
$35.00
$27.50
$22.50


Sagot :

$22.50

Explanation: add all the contributions and divide by the amount of them (ex: 25+40+30+15=110/4=22.5[making $22.50]