What is the measure of angle DBC
1 answer:
You might be interested in
now, this is pretty much the same as the one before it with Jaime, so I'll do this without much fuss.
recall d = rt.
a = Alfonso's rate
with the wind his speed is a + 5, against it is a - 5, 60 miles with it and 30 miles against it, all in the same time of t hours.