Ascale drawing for a new city library shows a rectangular chidrens reading room with a length of 5 1/4 inches and a width of 3 1/2 inches. the scale on the drawing is 1 inch : 4 feet. what will be the actual length and width of the room when the library is built.

there are no figures how am i supposed to answer this question

step-by-step explanation:

solution:

→c= a b , that is product of a and b is possible only when when a is m × n matrix and b is n × p matrix.

that is, number of columns of a= number of rows of b.

so, size of matrix , c= a b is , if a = (m × n)matrix

b= (n × p)matrix

then a b = [ (m × n)matrix] ×[   (n × p)matrix ]

→→c= a b= [m × p ] matrix

→→size of product a b will be equal to = number of rows of a × number of columns of b