Answer:
X= 6.87298334
<u><em>A</em></u> would be correct hope I helped.
Step-by-step explanation:
Susan is 3 years and Debbie is 8 years old. after 2 years Susan will be 5 Years and Debbie will be 10 years old
let the present age of Susan be x years then Debbie is x+5 years
in 2 years
x +2 = x+5+2/2
x+2=x+7/2
2x +4 = x+7
x=3
