Answer:
66 to 70 and 85 to 90
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer: 29
explanation: you add 1 to get 2, you then add 2 to get 4, then 3 to get to 7, then 4 to get to 11, then 5 to get to 16, then 6 to get to 22, then 7 to get to 29
The GCF of 30, 48, and 60 is 6.