Answer: Margo does 48 activities in 4 weeks.
Step-by-step explanation:
In the calendar,
Red dots represent homework, yellow dots represent work, and green dots represent practice.
On a typical week , she uses 5 red dots, 3 yellow dots, and 4 green dots.
That means , total activity he does in a week = 5+3+4=12
Then, total activities in 4 weeks = 4 x 12 = 48
Hence, Margo does 48 activities in 4 weeks.