A group of neighbors plan to pay equal amount in order to buy a small power mower which costs Php 4,800.00. If by adding 2 more neighbors to the original group, the cost to each is reduced by...

Extracted text: A group of neighbors plan to pay equal amount in order to buy a small power mower which costs Php 4,800.00. If by adding 2 more neighbors to the original group, the cost to each is reduced by Php120.00. Find the number of neighbors in the original group.