If it takes four men one day to build a wall, how long does it take 60,000 men to build a similar wall?
A garrison of 600 men has just enough bread ... but, with the news that the enemy was planning an attack... How many ounces of bread a day must each man in the garrison be allowed, to hold out 45 days against the siege of the enemy?
Meg and Mo need to hang their marbles so that they balance. Use the interactivity to experiment and find out what they need to do.
This problem is taken from the UKMT Mathematical Challenges.