This is an envelope stuffing rate problem.
Austin stuffed 30 envelopes in 6 minutes
So Austin's envelope-stuffing rate is
30 envelopes PER 6 minutes
PER means OVER
That's 30 envelopes OVER 6 minutes (OVER as in a fraction):
Divide top and bottom by 6
So that rate is
Austin's rate is "five envelopes per minute".
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Dylan stuffed 40 envelopes in 8 minutes
So Dylan's envelope-stuffing rate is
40 envelopes PER 8 minutes
PER means OVER
That's 40 envelopes OVER 8 minutes (OVER as in a fraction):
Divide top and bottom by 8
So that rate is
Dylan's rate is "five envelopes per minute".
who was faster?
Neither was faster because both stuffed at the same rate of
Edwin