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This should get you started.
I assume you mean each car's speed is 5m/h. To simplify your thinking, it is as if one is stationary and the other's speed is 10m/h.
Distance is 15 miles, so total time till collision is 1.5 hours.
Bird flies at 30m/h for 1.5 hours.
You should be able to finish the problem now.
I see the problem now
I was trying to find the distance the bird moves to the car each time and add them up. Thank you for clearing up this confusion!
Just created an actual account. I was a bit confused on this problem, so I tried using ratios but had a lot of confusing fractions, while the multiple choices were all whole numbers.
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