The trail is 3424 miles long. It begins in city A and ends in B. Manfred has hiked 3/8 of that. How many miles has he hiked

Since he has hiked 3/8 of it.

= 3/8 * 3424

= 3 * 428 = 1284

= 1284 miles.

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.