Solve the problem using determinants.Factories A and B sent rice to stores 1 and 2. A sent 10 loads and B sent 21. Store 1 used 16 loads and store 2 used 15. It cost $200 to ship from A to 1, $350 from A to 2, $300 from B to 1, and $250 from B to 2. $7550 was spent. How many loads went where?
A. 9 from A to 1; 1 from A to 2; 7 from B to 1; 4 from Y to B
B. 10 from A to 1; 0 from A to 2; 6 from B to 1; 15 from B to 2
C. 8 from A to 1; 2 from A to 2; 8 from B to 1; 13 from B to 2
D. 0 from A to 1; 10 from A to 2; 15 from B to 1; 6 from B to 2
Answer: B
You might also like to view...
Solve the problem.A person puts $22 into a bank account on January 1, $27 on February 1, $32 on March 1, and so forth. How much has the person put into the bank account by December 30?
A. $1188 B. $594 C. $624 D. $462
Solve the problem. Round to the nearest cent.Joe wants to start an SEP-IRA that will have $460,000 in it when he retires in 15 years. How much should he invest semiannually in his IRA to do this if the interest is 15% compounded semiannually?
A. $17,612.13 B. $4448.77 C. $44.35.77 D. $4790.74
Find the missing sides of each special right triangle.
A. 5 and 5
B. 5
and 5
C. 5
and 5
D. 5 and5
A booklet is rectangular and its length is 2 centimeters less than 2 times its width. Its area is 40 square centimeters. Find the dimensions of the booklet.
A. 5 cm by 8 cm B. 4 cm by 14 cm C. 4 cm by 8 cm D. 5 cm by 14 cm