Question

The sum of lexie's age and Melissa's age is 48. Lexie's age is 6 years less than twice Melissa's age. Find Lexie's and Melissa's ages.

a. Lexie is 32 years old, Melissa is 16 years old.

b. Lexie is 42 years old, Melissa is 6 years old.

c. Lexie is 26 year old, Melissa is 22 years old.

d. Lexie is 30 years old, Melissa is 18 years old.

Answer 1

Whole lot of brains here

Answer 2

l+m is 48, 2m-6 =l

Answer 3

d. Lexie is 30 years old, Melissa is 18 years old.

Answer 4

d.

Answer 5

d

Answer 6

let lexie's age be x and melissa's age be y
x+y=48
x=2y-6
substitute x in 1st equation
2y-6+y=48
3y=54
y=18
substitute y
x=2*18-6
x=30

Answer 7

thank you so much (: