1/Use elimination to solve the system

8x6y=5

4x3y=4

Select the correct choice belowand, ifnecessary, fill in the answer box to complete choice.

A.The solution of the system is

B.There are infinitely many solutions.

C.There is no solution.

2/A6000-seat theater has tickets for sale at $27and $40. How many tickets should be sold at each price for a sellout performance to generate a total revenue of $182,800?

The number of tickets for sale at $27should be

The number of tickets for sale at $40should be

3/TheU-Drive Rent-A-Truck company plans to spend $10 million on260 new vehicles. Each commercial van will cost $25,000, each small truck $50,000, and each large truck $50,000.Past experience shows that they need twice as many vans as small trucks. How many of each type of vehicle can theybuy?

They can buy...vans,...smalltrucks, and...large trucks

4/Solve by the elimination method.

5x+6y=2

10x+12y=4

Select the correct choice belowand, ifnecessary, fill in the answer box to complete your choice.

A.The solution is...

B.There are infinitely many solutions.

C.There is no solution.

5/Solve the system by back substitution.

4x+8y+2z+6w=4

3y+18z+6w=24

5z+5w=10

2w=6

the solution set is ( , , , )