Give an example of repeating, nonterminating non-integers

Mindy bought 5/8 pound of almonds and a 3/4 pound of walnuts.which pair of fraction cannot be used to find how many pounds of nuts she bought in all.

What is the first step of an indirect proof of a number that is divisible by two

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers