Answer:
a. max. 25c. min.13c
b. 2:00
Step-by-step explanation:
180 degrees - 115 degrees = 65 degrees
65 degrees + 90 degrees = 155 degrees
180 degrees - 155 degrees = y
Y= 25 degrees
Answer:

Step-by-step explanation:
Attached above
Answer: 15
Step-by-step explanation:
4/20 is your ratio. Simplify it and it'd be 1/5. This means in 1 mile has been walked in 5 minutes. 3 x 5 is 15, so it took Susan 15 minutes.