Answer:
One, a=11/3.
Step-by-step explanation:
6a-3a-6=2+3
3a-6=5
3a=5+6
3a=11
a=11/3
45 minutes because 1/4 of an hour is 15 min so 15+15+15=45
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The answer is A. If they buy 16 masks and 12 noses then that is 28.