Question

On Saturday mornings, Carmen volunteers at the hospital where her mother works. One Saturday, she answers phone calls at the information desk while the receptionist is away. Then she spends 40 minutes delivering flowers to patients' rooms. In all, Carmen volunteers at the hospital for 90 minutes that day. Which equation can you use to find the amount of time t that Carmen answers phone calls?

Answer 1

Answer:

$90 - 40 = 50$