a rectangular piece of paper has a width of 16 inches and an area of 1

1.	a rectangular piece of paper has a width of 16 inches and an area of 192 square inches. What is its length?
Answer» ANSWER: Given, WIDTH of RECTANGULAR piece of paper = 16inches Area of Rectangular piece of paper = 192square inches. i.e Area of Rectangular piece of paper = $\sf 192inches^{2}$ To FIND :- Length of Rectangular piece of paper. Solution :- Let, Width of Rectangular piece of paper be 'b' Length of Rectangular piece of paper be 'l' Area of Rectangular piece of paper be 'A' Area of Rectangular piece of paper = length *breadth i.e A = $\sf length\times breadth$ SUBSTITUTING values :- $\sf 192inches^{2} = l\times 16inches$ $\sf\implies l = \dfrac{192inches^{2}}{16inches}$ l = 12inches. $\sf\therefore 16\: cancel\: of\: 192\: by\:12times$ $\sf\therefore$ Length of Rectangular piece of paper = l = 12inches