exam Maths Puzzle Numerical Ability

(100P-4000)/100P = .3 P=?

Read Solution (Total 0)

exam Other Question

Find the slope of the line that passes through these points (0,-4)

I do not seem to understand how this is done can you help? The current in a stream moves at a speed of 3mph. A boat travels 45mi upstream and 45mi downstream in a total time of 8 hr. What is the speed of the boat in still water?