Answer:
Equation is
where
denotes number of cups of orange juice needed by Sam.

Step-by-step explanation:
Let
denotes number of cups of orange juice needed by Sam.
Number of cups needed to make punch 
Number of cups with Sam 
Therefore,

Answer:
Hello! if Chris garden is a square shape then the answer is 40 7/10 in fraction form or 40.7 in decimal form