Just around the 15 and 3. So it would be
(15-3)x4+9=57
This is because (15-3)= 12
12x4=48
48+9= 57
Answer:

Step-by-step explanation:
To solve the following equations, we need to isolate the variable asked using inverse operations to solve equations.
Remember that addition and subtraction are inverse operations, as multiplication and division.
Therefore,

80$ because 50 divided by 3 is 16.67 and 80 divided by 5 is 16 so yeah $80
Answer:1.45
Step-by-step explanation:
Divide.