The second matrix system is the correct answer
Answer:
72
Step-by-step explanation:
32 x 0.05 ( because there are are 32 cans that are worth 5 cents each ) = 160 cents ($1.60)
Then:
10 x 0.20 ( 10 bottles that are worth 20 cents each ) = $2
Then plus them together
Answer = $3.60
P=2(l + b)
P=2l + 2b
P-2b=2l
P-2b/2=l
C is your answer