problem
Debasing the Coinage
How much lighter will £5 worth of 5p's be with these new lighter coins?
How much lighter will £5 worth of 5p's be with these new lighter coins?
Dan and Ann have 9 and 8 coins respectively. What is the smallest number of coins they must swap so they end up with equal amounts of money.
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?