Noah has 3 3/4 quarts of motor oil. he puts 1/2 that amount into a riding lawn mower.
how much oil does noah put into the riding lawn mower?
express your answer in simplest form.

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.