A Farm Truck Has a Sprayer Unit Attached with A 72

Multiple Choice

A farm truck has a sprayer unit attached with a $72$ gallon tank. If $\frac { 3 } { 4 }$ gallons of water and $\frac { 1 } { 2 }$ pounds of pesticide are applied per acre, how much pesticide powder is needed per tankful?

A) $53$ pounds
B) $49$ pounds
C) $51$ pounds
D) $48$ pounds
E) $50$ pounds