(i) The local computer store is having the terrific sale on digital camera. After the 40% price reduction, you buy the digital camera for $276. Determine camera's price before reduction?
(ii) Group of friends agrees to share cost of the $50,000 yacht equally. Before purchase is made, one more person joins group and enters agreement. As the result, every person's share is decreased by $2500. How many people were present in group?