Problema Solution
Tami had a pile of envelopes. She addressed 80 envelopes in 2 hours. At that rate how long did it take her to address them all?
Answer provided by our tutors
She addressed 80 envelopes in 2 hours
so in 1 hour she will address 40 envelopes
so the rate may be 40 envelopes per hour
or 0.6666 envelope per minute
or 0.1111 envelope per second