Solve the application problem.A car travels 400 miles on level terrain in the same amount of time it travels 160 miles on mountainous terrain. If the rate of the car is 30 miles per hour less in the mountains than on level ground, find its rate in the mountains.
A. 20 mph
B. 80 mph
C. 50 mph
D. 40 mph
Answer: A
You might also like to view...
Determine the slope and the y-intercept. Use the slope and the y-intercept to graph the equation.y = -3
A. slope: undefined; y-intercept: none
B. slope: 0; y-intercept: (0, 3)
C. slope: undefined; y-intercept: none
D. slope: 0; y-intercept: (0, -3)
Write an equivalent expression in exponential form.log
343 = 6
A. 3433 = 7 B. 73 = 343 C. 37 = 343 D. 7343 = 3
Simplify, leaving exponents in the answer.
A. x13 - x4
B. 
C. x17
D. x9
In a recent pretrial run for the world water speed record, the velocity of the Sea Falcon II 
seconds after firing the booster rocket was given by
?
ft/sec. Find the distance covered by the boat over the 10-second period after the booster rocket was activated.
Hint: The distance is given by 
.
?
A. 
ft
B. 
ft
C. 
ft
D. 
ft