The answer too this problem is 416.
Multiply 5*7, then take that product and divide by 10.
Myles ran 2 times what alison ran:
2x21 = 42
Hector ran 5 times as many miles as Myles:
42x5 = 210
therefore Hector ran 210 miles.
Answer:
a, b
Step-by-step explanation:
a and b cause all the data are not in a form of a line