EM-2141
Matrix multiplication
E Math · Secondary 4 · Hard · Matrix multiplication
A travel agency sells tour packages to City A, City B and City C at prices \$850, \$920 and \750 respectively. In one period, 18 customers buy City A, 25 buy City B and 12 buy City C packages. Represent the numbers of customers as a column matrix and the prices as a row matrix . What is the total revenue for this period, found using matrix multiplication?
- \$59 300
- \$57 800
- \$60 050
- \$61 200
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.