Question

This question has me stumped, please help?
Mary is 14 years younger than her sister Jane. In four years, Jane will be 3 times older than Mary. How old is Jane now?
-3
-7
-17
-or 21

Answer 1

Mary is 14 years younger than her sister Jane.

=>

m = j-14 -----------------(1)

In four years, Jane will be 3 times older than Mary

=>

j+3 = 3(m+3) -----------------(2)

Answer 2

Oh...I had the equations set up wrong

Answer 3

hmm happens all the time with me too... lol
you can solve the two equations for j and m ?

Answer 4

yep...Thanks :)

Answer 5

yw :)