Marco drew 20 pictures. He drew 3/4 of them in art class. How many pictures did Marco draw in art class?

Answer: 15 pictures

Caroline has 10 marbles. One half of them are blue. How many of Caroline's marbles are blue?
Answer: 5 marbles

What is the value of the underlined digit
6,560
The first 6 before the comma is underlined
Answer: 6,000

Please be so kind as to check the above and let me know if I made any mistakes.

1 answer

All are right! :-)