Answer:
c
Step-by-step explanation:
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
In the first one put 2. and in the second one put 7
476*1.05*1.15=574.77
The Striton family paid a total of $574.77 on their meal.