Irene R. answered 01/21/20
BS in Mechanical Engineering and Certified math teacher for 13 years
To determine the number of 3/4 inch pieces that can be cut, you need to divide 90 inches by 3/4 inch.
This would be accomplished by multiplying 90 by the reciprocal of 3/4 which is 4/3:
90 / 3/4 = 90 * 4/3 = 360/ 3 = 120 pieces