exam Maths Puzzle Numerical Ability

In the time it takes to fliy 360 miles with a head wind, she can only fly 240 mies against the headwind. if the speed of the plane in stll air is 150 mph, find the wind speed.

Read Solution (Total 0)

exam Other Question
Simplify: (1 + i)/(2 - i).

Thanks Stan invested $17,000, part at 18% and part at 4%.
If the total interest at the end of the year is $1,380, how much did he invest at each
rate?