Answer:
45
Step-by-step explanation:
add 15 on both sides
54/4 = 13.5
take the 2 whole numbers below 13.5 and the 2 whole numbers above 13.5
12 + 13 + 14 + 15 = 54
$1068.66
675.48 - 67.32 + 920 - 585 + 125.5 = $1068.66
To find the average of the data
