Operations with fractions, percentage exercises.

5. How many percent is one number from the other? Answers must be rounded to the hundredths.

    2,8     5,6-st                            14    50-st
    125     200-st                           320    1200-st

 

6. From 300 seeds that Juku planted 24 didn’t sprout. Find the percentage of germination of the seeds.

 

 

 

7. From 432 students in a school at least 75% studied satisfactorily. How many students had “2“ on their report card.

 

 

 

8. Kaiu and her friends ate 60% of 2.5 kg of grapes on the first day. How many kilograms of grapes did they have for the second day?