Kent drives his Mazda 192 miles in the same time that Dave drives his Nissan 180 miles. If Kent averages 3 miles per hour faster than Dave, find their rates. 

A. 42 mph for Dave and 45 mph for Kent
B. 40 mph for Dave and 43 mph for Kent
C. 55 mph for Dave and 58 mph for Kent
D. 45 mph for Dave and 48 mph for Kent
E. 48 mph for Dave and 42 mph for Kent


Answer: D

Mathematics

You might also like to view...

Translate the argument into symbolic form. Then use a truth table to determine whether the argument is valid or invalid. (Ignore differences in past, present, and future tense.)If it is Tuesday, I do not work late.? It is not Tuesday. 

What will be an ideal response?

Mathematics

Add the numbers using the number line.1 + (-6)  

A. 5 B. -5 C. -7 D. 7

Mathematics

Use a graphing calculator to plot the data and find the quadratic function of best fit.The following table shows the median number of hours of leisure time that Americans had each week in various years. Use x = 0 to represent the year 1973. Using a graphing utility, determine the quadratic regression equation for the data given. What year corresponds to the time when Americans had the least time to spend on leisure?

What will be an ideal response?

Mathematics

Solve the problem. Be sure to make a diagram of the situation with all the given information labeled. ? How long should an escalator be if it is to make an angle of 29° with the floor and carry people a vertical distance of 22 feet between floors? ?

A. 48 ft B. 40 ft C. 55 ft D. 45 ft E. 43 ft

Mathematics