1B How many quarters (worth 25 cents each) must be added to 12 nickels (worth 5 cents each), so that the average value of a coin in the new enlarged collection is 10 cents?
Math Olympiad for Middle School | 2010 | Division M | Contest 1 | MOEMS | 1A
Rumble
1A 25 digits are shown. Find the sum of the digits.
