Tia collected $10 for a walk-a-thon and $ 5 from each friend. What is the total amount of donations she collected from 4 friends? Is my answer below correct?

Friend - 1,2,3,4
Donations - $5, $5, $5, $5 = $20
Answer is $20 from 4 friends.

From your data, yes. Did the $10 come from friends too?

$5 * 4 = $20