Laura is 18 years old today. How many years ago was Laura twice as old as her brother if the sum of their ages in 4 years will be 38 years?
a) 2
b) 3
c) 4
d) 5
e) 6
correct answer is B.) 3, but i always get e.) 6 when solving this. can anyone help?
a) 2
b) 3
c) 4
d) 5
e) 6
correct answer is B.) 3, but i always get e.) 6 when solving this. can anyone help?
