Is the proper fraction of 1 3/4​

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Somone me i want to know what 18 hours out of 24 hours in a fraction

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers