Multiple Choice
Write a system of equations for the problem, and then solve the system.
-A boat travels 36 miles downstream in 4 hours and returns upstream in 12 hours. Find the rate of the speed of the current and the speed of the boat in still water if x = the speed of the boat in still water and 
A) Boat: 9 mph; current: 3 mph
B) Boat: 15 mph; current: 9 mph
C) Boat: 3 mph; current: 6 mph
D) Boat: 6 mph; current: 3 mph
Correct Answer:
Verified
Correct Answer:
Verified
Q1: Write a system of equations for the
Q2: Graph the solution of the system.<br>-2x
Q3: Write the word or phrase that best
Q5: Without graphing, tell if the system is
Q6: Graph the solution of the system.<br>-2x
Q7: Choose the one alternative that best completes
Q8: Graph the solution of the system.<br>--x
Q9: Find the equations of the system shown
Q10: Solve the problem by using a system
Q11: Graph the solution of the system.<br>-2x