book Maths Puzzle Numerical Ability

A ship using sound-sensing devices above and below water recorded a surface explosion 39 seconds sooner on its underwater device than on its above-water device. If sound travels in

Read Solution (Total 0)

book Other Question

A motor boat traveling with the current went 88 km in 4 hours. Against the current, the boat could go only 64 km in the same amount of time. Find the rate of the boat in calm water -10x+3 This question is negative ten plus three over
______ five. How can simplify this expression?
5