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Grade 8: Rational numbers and percentages

10 questions with solutions for grade 8: rational numbers, recurring decimals, fractions-decimals-percentages, using percentages.

Type the number or choose the right answer. When you finish, click Check answers and see the solutions.

1. Which number is NOT rational?

2. 0.(6) = 0.666… is equal to:

3. 0.1(6) = 0.1666… is equal to:

4. 3/8 as a percentage is:

5. 45% as a fraction in its simplest form is:

6. What is 2/5 of 350?

7. What is 15% of 360?

8. The price is 1200 denars with a 15% discount. What is the new price?

9. A salary of 30 000 denars rises by 8%. What is the new salary?

10. What percentage of 72 is 18?