The mean would be 4.5. This is because you add up all the numbers which equals 22.5. Then divide by 5 since there is 5 numbers in the set. So the answer comes out to be 4.5.
The decay factor would be 1 minus the percent of decrease:
1-0.12 = 0.88
Answer:
3 3/5
Step-by-step explanation:
Raphel bought 2 1/2 pounds of chicken for $9
Therefore the cost per round of the chicken can be calculated as follows
9÷5/2
= 9×2/5
= 18/5
= 3 3/5
