Okay so this friend has a 8, 9, 10 as her options that she pays at.
8: 2,6 9: 6,3 10: 5,5
6,2 3,6 5,5
4,4
4,4
These are the possibilities of rolling these numbers. = 4 possibilities
4/11 (11 because that is the number of possibilities you get for two dice)
that leaves 7/11 possibilities of rolling and not paying!
36% lands on a spot that she pays at and about 64% possibilities of not paying.
Hope this helped!
:)
You can break up the numbers:
64 = 60 + 4
43 = 40 + 3
60 + 40 = 100
4 + 3 = 7
100 + 7 = 107 which is also the same as 64 + 43 = 107
Just subtract 33 from 49 (whole number of students) to get how many kids are sitting on the floor. 49 - 33 = 16. Since it's asking for students on the floor to whole number of students, your ratio will be 16:49.
Two walls, or planes, meet in the corner, which would summer a line. the answer is that 2 planes intersect in a line.