Answer:

Step-by-step explanation:

Multiply both sides of the equation by 99, the least common multiple of 9,39,3.
m + 6 =21
Subtract 6 from both sides.
m = 21 - 6
Subtract 6 from 21 to get 15.
m=15
Answer:
4 sets of 25
Step-by-step explanation:
100/25 = 4
Not sure what you are asking in the end.
Answer:
c
Step-by-step explanation:
because if you solve the problem it is equal to c
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