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 = s + 4

• l = 3s

• l = 3s + 4

• l = 4s + 3

Respuesta :

l=s+4  bc lisa is 4 and we don't know who old is Sammy..