Answer:
90 and 71 or 80.5
Step-by-step explanation:
find middle two numbers
add them together
divide by 2
$360.00*.28= 100.80
<span>Or do a portion </span>
<span>28%/100%=100.8/x </span>
<span>Then cross multiply </span>
<span>10080=28x </span>
<span>x=360</span>
This has 6 surface areas ok zzmznznznznzjjznznsnjsowowokwkwnendmdmdmdm
If they sold 89 calendars over 4 weeks, the 'equation' would look like (x = average calendars sold over 4 weeks):

If you solve it, you get:

Which is equal to
22.25. Hope this helps!