Level 2
A camera was sold at $55.75 in Shop X. Parker wanted to buy the same camera in Shop Y. He had $40.30 and found out that he was short of $5.75. What was the price difference of the camera in two shops?
Level 3
Joy took 2 hours 20 minutes to complete an artwork. Dane took 60 minutes less to complete the artwork. How long did Dane take to complete the artwork? Express the answer in h and min.