Lisa's age is 4 years older than three times Sammy's age. Lisa is 28 years old. Let s represent Sammy's age.
Which equation can be used to solve for Sammy's age?
s = (28 - 4) / 3
L = 3s + 4
28 = 3 s + 4
3 s = (28-4)
s = (28 - 4) / 3
so
s= 8
Which equation can be used to solve for Sammy's age?
28 = 3 s + 4
3 s = (28-4)
s = (28 - 4) / 3
so
s= 8