All we need to do is to find out how much is 3/8 of 3424. We can do it in at least two ways:
1. Divide 3424 by 8 and then multiply the result by 3
2. Just multiply 3424 by 3/8
So:
3424 / 8 = 428
428 * 3 = 1284
or:
3424 * 3/8 =
= 428 * 3/1 =
= 428 * 3 =
= 1284
Answer: Manfred hiked 1284 miles.
