Hello, For this problem just multiply 20 (min) with 50 (child) , because that how long he takes to get to every child.
20 × 50 = 1,000
I hope my answer helped.
Answer:nugget
Step-by-step explanation: Idk...sorry for wasting ur time!!!237482929
Pitch changes are heard when the doppler effect occurs should be the answer. I'm pretty sure.
Answer:
16
Step-by-step explanation: