Answer: 21 in by 63 in .
I don't know about the first one but for the second one:
Answer:
7.33
Step-by-step explanation:
4 people are collecting
1548 /4
387 lbs
3.7 + r < 1.2
a number r added to 3.7 is 3.7 + r
New expression 3.7 + r should be less than 1.2 --->