There are two book shops owned by Suresh and Ganesh.Their sales (in Rs.) for books in three subjects-Physics,chemistry and Mathematics for two months,July and August 2019 are given by two matrices A and B.July sales (in Rs.)-Physics,chemistry,mathematics `A=[[5600,6750,8500],[6650,7055,8905]]`first row Suresh/Second Row ganesh.August sales (in Rupees)-Physics ,Chemistry and mathematics `B=[[6650,7055,8905],[7000,7500,10200]]`first row Suresh/Second Row Ganesh then, If both book shops,got 10% profit in the month of August 2019,find the profit for each book seller in each subject in that month.

Answer

Profit of suresh book shop on P, C, M is Rs. 665, Rs. 675 Rs. 850 respectively. That of Ganesh Rs. 700, Rs. 750, Rs. 1020 respectively.