Bill drove 315 miles in 7 hours, Alisha drove 235 miles in 5 hours, and Joanne drove 414 miles in 9 hours. Which person drove at an average speed of 47 miles per hour?

Lets check

47 times 7 is not equal to 315

47 times 5 = 235

47 times 9 is not equal to 235

alishas speed is 47 mph

Alisha is the person who drove at a average speed of 47 miles per hour

If you divide the miles by the hours on each amount of miles. you find that 235 divided by 5 is 47 therefore the answer is alisha