The mean 2

The mean cost of 4 items was $39.96. The first item cost $28.50, the second item cost $41.25, and the third item cost $50. Find the cost of the fourth item.

Correct answer:

d =  40.09 USD

Step-by-step explanation:

a=28.50 USD b=41.25 USD c=50 USD  m=39.96 USD  m = 4a+b+c+d  4 m = a+b+c+d  d=4 mabc=4 39.9628.541.2550=40.09 USD



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Looking for help with calculating arithmetic mean?
Looking for a statistical calculator?

You need to know the following knowledge to solve this word math problem:

Related math problems and questions: