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!
Answer:
102,100 decigrams
Step-by-step explanation:
(564 dag + 458 dag) = 1021 dag
1021 dag × 100 dg/dag = 102100 dg
The two cases together weigh 102,100 decigrams.
_____
1 dag = 10 g
1 dg = 0.1 g
Answer: y = 5x + 5
Step-by-step explanation: Okay follow these steps to get y alone.
2 ( y - 3 ) = 10x + 4
2y - 6 = 10x + 4
2y = 10x + 10
y = 10/2x + 10/2
y = 5x + 5