Answer:
36
Step-by-step explanation:
because 65 and 79 make up for x
Answer:
9 - 2/x
Step-by-step explanation:
Any one of the runners could be 1st.
Every runner except for the one that was 1st could be 2nd.
Every runner that wasn't 1st or 2nd could be 3rd.
100*99*98=970200 groups.
This involves permutations because order does matter.
Hope this helps!
Answer:
c
Step-by-step explanation:
You need to convert it into a whole number