Answer:
$21.29 per dancer
Step-by-step explanation:
The materials cost $373.78 for all 22 dancers, so the cost per dancer is ...
$373.78 / 22 = $16.99
Adding the $4.30 cost of gloves to that brings the total for each dancer to ...
$16.99 +4.30 = $21.29 . . . . for each dancer