An airplane flew 3 hours with a 60 mph head wind. The return trip with a tail wind of the same speed took 2 hours. Find the speed of the plane in still air.

Question

anonymous · Answer

did we not crush this?

anonymous · Answer

no

anonymous · Answer

Which of the following is the correct answer

380 mph

 340 mph

 320 mph

 300 mph

anonymous · Answer

300mph i'll show you how to get it

anonymous · Answer

$$distance=\frac{velocity}{time}=\frac{x-60}{3}=\frac{x+60}{2}$$

anonymous · Answer

$$2x-120=3x+180.........x=300$$

anonymous · Answer

Trevor's dad decided to get him a cell phone for his birthday. Cell Plus has a plan that costs $27.00 per month plus an additional $0.06 per minute. Cell Best has a plan that costs $30.00 per month plus an additional $0.05 per minute. How many minutes can Trevor talk and both cell plans cost the same amount?

anonymous · Answer

Which of the following is the correct answer

600

 30

 150

 300