Three dogs run out of the yard. Two come back. What fraction of the dogs are missing?
1/3
Oops!
Check
Okay!
Check
15
2/3
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Check
Okay!
Check
banana
Go to last place!
Oops!
seesaw
Swap points!
Okay!
gift
Win 15 points!
Okay!
thief
Give points!
5
10
15
20
25
15
7/14
Oops!
Check
Okay!
Check
15
Luke saw 9 books about the Solar System and its 9 planets. These were thick books and so he thought that 2 of these would be enough. What fraction of the solar system books did he borrow?