Question

Ana age is 8 years less than 4 times her sister's age .Write an expression for Ana's age.How old is Ana if her sister is 5 years old ?

Answer 1

Answer: 4x - 8 ; 12 yrs old

Step-by-step explanation:

sister: x

Ana: 4x - 8

when x = 5, Ana = 4(5) - 8

                           = 20 - 8

                           = 12