Michael has $1.95 totally in his collection, consisting of quarters and nickels. the number of nickels is three more than the number of quarters. how many nickels and how many quarters does michael have?

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.