871 is closer to 870 than 880, so the answer is 870
Answer:
7.75
Step-by-step explanation:
By Geometric mean property:
Since there is an even number of peoples ages then there will be 2 different medians. The median is the middle of all the numbers and since there is 8 different ages then the 2 medians would be Derek at age 15 and Maddie at age 12.
He should have 9 pieces just do 72 /8 and you will have 9