A bird leaves its nest and travels 12 miles per hour downwind for x hours. On the return trip, the bird travels 2 miles per hour

Question

3 years ago

5

slower and has 3 miles left after x hours. What is the distance of the entire trip? How long does the entire trip take?

2 answers:

elena-14-01-66 [18.8K] · Answer 1 · 2022-08-30T23:11:52+03:00

5 0

12x = 10x + 3

Subtract 10x from both sides

2x = 3

Divide by two on each side

x = 3/2 or 1 1/2 hours

Distance of the trip:

12 * 2 * 3/2 = 36 miles

How long does the trip take:

3/2 + 3/2 + 3/10 = 3 3/10 hours

3 hours

elena-s [515] · Answer 2 · 2022-08-30T20:53:16+03:00

4 0

3 hours

On the way there, 1.5x12 = 18
On the way back, 1.5x10 = 15