The answer is C. 680 is the initial value and 4.3 is the growth rate.
Answer:
(c) 10 phones
Step-by-step explanation:
The mean is the sum divided by the number of contributors:
(12 +10 +9 +5 +14 +10 +10)/7 = 70/7 = 10
The mean number of phones sold for the week was 10 phones.
Answer:-5
Step-by-step explanation:
2x+7-x+12=14
x+19=14
x=-5
As an improper fraction, it is

.