book Maths Puzzle Numerical Ability

Joe traveled against the wind in a small plane for 3 hr. The return trip with the wind took 2.8 hr. Find the speed of the wind if the speed of the plane in still air is 180mph.

Read Solution (Total 0)

book Other Question

Please help me with the following problem:
2x^2-2x(3-x+x^2)-5 Hi There!

I really need help understanding Factoring with a Zero Product. Could someone please explain this problem to me?

-2x^2 -2x + 24=0

Thanks to all