Answer :

A possible answer is:
"I have 0.5 of a pizza left. There are 3 people eating it for lunch. What part of the whole pizza is each person eating for lunch?"

Explanation:
Rational numbers are any numbers that can be written as fractions. Whole numbers can be written as fractions, too, by writing them over a denominator of 1. This means we want to create a problem involving division of fractions and/or whole numbers.

Answer:

You could say "I have 0.25 cents and I need 1 dollar to go to dollar tree to get a snack. How much more money do I need to get 1 dollar to go to dollar tree?

Step-by-step explanation:

A rational number is a number that is not a whole number so that could be decimals fractions. Since you're using 0.25 as your rational number this would be a logical answer.