Respuesta :

he ran 3 miles a day bc 5 times 3 is 15 so you would multiply 3 times 8

answer: 24 miles,

15miles/5days = 3 miles/day

8 days * 3 miles/day = 24 miles

OR

5 days = 15 miles

8 days = x miles

x = (15*8)/5 = 24 miles