Part 1 of 3
While playing a real-time strategy game, Josh created military units for battle: long swordsmen, spearmen, and crossbowmen. Long swordsmen require 20 units of food and
10 units of gold. Spearmen require 40 units of food and 25 units of wood. Crossbowmen require 25 units of wood and 35 units of gold. If Josh used 1025 units of gold, 1625
units of wood, and 1900 units of food to create the units, how many of each type of military unit did he create?

Josh created ? long swordsmen.