It will be irrational. The sum of any irrational and rational number will ALWAYS result in a irrational answer. Khan Academy has a video on this if you want to watch it.
5 times 5..........................
Add up all the numbers & divide by the number of numbers. That should give you the mean.
Answer:
She could spend $18 on each for the 4 friends
Step-by-step explanation:
100-28= 72
72/4=18
The answer is D (the last answer choice)