Answer:
$514 give or take. I could be wrong so you might want some confirmation on my answer before putting it on your test or what ever you need it for because i'm only in Middle School.
Step-by-step explanation:
Yes, 6/8 reduces to 3/4 by dividing the numerator and denominator by 2.
The fraction is 7/10ths. Which would be 17.5 out of the 25. :)
4 7 10 13 16 would be her next ages 4 + 3 + 3 n so on