Lydia worked the following hours last Tuesday and Wednesday. Tuesday: 7AM to 11:30AM and 12PM to 3:45PM
Wednesday: 7AM to 11:45AM and 12:30PM to 4PM

If Lydia is paid $18 an hour, how much did she make in total for Tuesday and Wednesday?

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

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step-by-step explanation:

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step-by-step explanation: