Math??!!

MTH 1280-10 – Spring 2014 Project #2 Name: ______________________

Show all of your work on each problem unless otherwise noted. Even if a correct solution is given, you may not receive full credit unless some work or explanation is shown. Keep all solutions in exact form (avoid decimals) unless otherwise noted. Due with Test #1.

1) As a crypto-currency, Dogecoins can be “mined” using computer processing power in order to generate new units of the currency. If a computer’s CPU takes 42 hours to mine 1000 coins, and its GPU takes 7 hours to mine 1000 coins, how long will it take the GPU and CPU to mine 1000 coins working together? (Write your answer as a complete sentence.)

2) Solve