Final answer:
To represent the amounts of money Lyle and Shaun have in their accounts, we can write two equations: Lyle's account: A = 100 + 20w Shaun's account: B = 500 + 10w.
Step-by-step explanation:
To represent the amounts of money Lyle and Shaun have in their accounts, we can write two equations:
Lyle's account: A = 100 + 20w
Shaun's account: B = 500 + 10w
Where A represents the amount of money in Lyle's account and B represents the amount of money in Shaun's account, and w represents the number of weeks that have passed.