Answer:
Part A
1/2 (2.48 + 1.740 + 1.960)
$6.18
Then divide by 2
$3.09
Part B
15.23 + 14.45 = 29.68
The coupon was 15.23 dollars off.
Part C
A means the fraction
By means the numbers you add
C means the other number you add
Hope this helped
Explanation: