He uses 4 gallons for 3 days. We need to find a number of gallons (x) per 1 day. Make a proportion: 4 gallons : 3 days = x : 1 day x = 4 gallons * 1 day : 3 days x = 4/3 gallons x = 1.3 gallons
D = 140 sec Θ models the distance from the man <span>to any object given his angle of sight theta. </span>after working it out you will find out that the awnser is <span>541 feet</span>