setup a simple algebraic equation and solve.
5x = 7x-28
-5x -5x
0=2x-28
+28 +28
28=2x
Now divide both sides by 2 and you get that she is 14
The answer is D because when you put the missing value which is x you replace it to 10 and then you solve it I hope this helps
Answer:
63
Step-by-step explanation:
you have to add
Bob was enrolled in yoga classes for 1 year = 12 months
Answer:
21
Step-by-step explanation:
because