Answer:
112.5
Step-by-step explanation:
The average is calculated as
average = , then
average = = = 112.5
7
Hope I helped :D
4 number
number of apples purchased to the cost of the apples
69
cause it is
3a-2b=14 multiply by 3
9a - 6b = 42 (1)
4a+3b=13 multiply by 2
8a +6b = 26 (2)
sum up (1) and (2)
17a = 68
a =4
b=-1
