Level 3
Faucet X can fill a container completely in 5 hours while Faucet Y takes 1 hour more to fill the same container completely. There is a hole at the bottom of the container which can empty the full container in 10 hours. How long does it take for the container to be completely filled if both faucets are turned on? Express the answer in mixed number of hours.
Level 3
Faucet X can fill a container completely in 5 hours while Faucet Y takes 1 hour more to fill the same container completely. There is a hole at the bottom of the container which can empty the full container in 10 hours. How long does it take for the container to be completely filled if both faucets are turned on? Express the answer in mixed number of hours.
Level 2
Stephanie had some flour in a container. She used 214 kg of the flour in the morning. She added 3 kg of flour into the same container in the afternoon. There was 318 kg of flour in the container in the end. How much flour did Stephanie have at first? Express your answer in its simplest form.
Level 3
Cheryl bought 114 kg of potatoes on Monday. She cooked 25 kg of potatoes each day on Tuesday, Wednesday and Thursday. What is the mass of the potatoes left on Friday?
Level 3
The museum tickets are priced at $10 and $5. The number of $10-dollar tickets available is 289 that of the number of $5-dollar tickets. 2 out of 3 of the $10-dollar tickets and all the $5-dollar tickets were sold. The ticket sales amounted to $8515. How much more would have been collected if all the tickets were sold?