X=15-12
X=3(number of days in difference to the number of people)
X=9-3
X=6 it would take 6 days to cut the grass with 9 boys
Answer:

Step-by-step explanation:
We can see from the graph that
can't be lesser than
and
extends unendlessly in the positive direction.
Answer:
׳+3ײ-72×-324
Step-by-step explanation:
I hope it help
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