She spent $23.25, how I got my answer.
I divided $13.50÷2=$6.75 then I added $6.75+3=$9.75 then I added $9.75+$13.50=$23.25.
I hope this helps.
Answer:
Following are the solution to the given question:
Step-by-step explanation:
Please find the complete question in the attached file:
Using the formula for Mid-point: