Answer:
The equation is: 
Step-by-step explanation:
Caroline was thinking of a number.
We are going to call this number x.
Caroline halves the number and gets 7.3.
To find half of a number, we multiply by 1/2. So


The answer of this question is 42
B. Sandwich costs $7.70 and the soda costs $2.20
Answer:
square root 12^5
Step-by-step explanation: