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!
The number is 5 and the factor is 1
Answer: 81 mm^2
Step-by-step explanation: All the sides are the same length and area is just length * width so 9*9=81. You're welcome
64, 500 x 0.8%=65,016.00. He automatically earns $1250.00 a month
add the 65, 016.00 + 1250.00 and the answer would be 66 266.00