Answer:
21110
Step-by-step explanation:
Answer:
(6,0)
Step-by-step explanation:
The given system has equations:


Multiply the top equation by 2 to get:


Subtract the top equation form the bottom equation to get:



Put y=0 into 


Therefore the solution is (6,0)
Year 1: 7lbs x 3years= 21lbs
Year 2: 21lbs x 3years = 63lbs
That would be 74 because when you divide 148/2=74