Answer:
A
Explanation:
Let distance travelled on first day be
and distance travelled on second day be
, so we can write:
[since in 2 days he travelled a total of 1380 miles]
Also, since first day he travelled 1.5 times second day, we can write:

Substituting this into first equation and solving for
, we get:

We want to know how many miles he drove on first day, which is 1.5 times this, so we have:
miles
Answer choice A is correct.