I cant directly give u the answer but here is some help:
for part a add up and solve the equazions on the whiteboard.
for part b subtract 90 from what you got from part a.
Hope this helps. Sorry i couldnt help more.
Answer:
24 miles UwU
Step-by-step explanation: G'day mate!
Answer:
0.48 of the room per hour
Step-by-step explanation:
your welcome