Answer:
1.) 6.48 - 3. 50 = 2.98
Mia needs $2.98 more dollars to buy the frame.
2.) 7.65 - 5.40 = 2.25
An adult ticket costs $2.25 more than a child's ticket
3.) 13.75 + 5.40 + 9 = 28.15
William earned $28.15 all together
Explanation:
I hope this helps!