Kaden scored 108 correct answers on his math exam to earn a score of 72% determine how many total questions there were on the exam

There were 150 questions on the test exam.

108 (correct answers) ÷ 72 (the test score/percentage) = 1.5

1.5 x 100 (the best possible score) = 150

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