Lisa is 4 years older than three times her brother Sammy’s age.
Let s represent Sammy’s age and l represent Lisa's age.
Which expression represents Lisa’s age?
l = 3s
l = 3s + 4
l = 4s + 3
l = s + 4
Let s represent Sammy’s age and l represent Lisa's age.
Which expression represents Lisa’s age?
l = 3s
l = 3s + 4
l = 4s + 3
l = s + 4