book Maths Puzzle Numerical Ability

A boat can travel on a river 7 miles upstream in the same time it takes to travel 9 miles downstream. Find the speed of the current if the speed of the boat in still water is 8 miles per hour.

Read Solution (Total 0)

book Other Question

Complete the ordered pair to make a solution to the given equation (-7/2, ?); the equation is
-2x+3y=25 A roast was cooked at 325 degrees farenheit in the oven for 4 hours. The internal temperature rose from 32 degrees farenheit to 145 degrees farenheit. What was the average rise i