Answer:
4 weeks per level
Step-by-step explanation:
notice the pint (1,4)
the next is (2, 8)
meaning that in 4 weeks she completes 1 level and in 8 weeks she completes 2 levels.
h
84
3 times 4= 12
12 times 7= 84
Answer:30x+30y+30
30(x + y + 1)
