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.
Level 3
Dennis saved some money on the first week. Each following week, he managed to save $8 more than the week before. He saved a total of $100 after 4 weeks. How much money did he save on the 3rd week?