Operations with fractions, percentage exercises.

9. Maret paid 2 1/5 kroons for a lollipop which was 4/11 of all the money she had. How much money did Maret have.

 

 

10. 12 from 30 students in the class are boys. How big is the percentage of the girls in the class.

 

 

11. During the holiday Mikk went to put details together. After he had put together 96 details, ¼ of his weekly plan was not fulfilled. How big was Mikk’s weekly plan?


 

12. Jüri had 23 ¾ kroons and Jaan had 30 2/5 kroons. They bought a big bag of candy together, while Jüri gave 4/5 and Jaan 5/8 of his money. How much did the candy cost?


 

13. Find 45% of the number

    0,85 · 40 + 3,41 :