Respuesta :

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