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17 votes
17 votes
There are 10 sweets in a box.

There are
n
jelly beans and the rest are cola bottles.
Colin takes 2 sweets out of the box at random.
Write an expression for the probability of getting 2 cola bottles.
Give your expression as a single fraction and simplify fully.

User Meeque
by
2.4k points

1 Answer

21 votes
21 votes

Answer:

Explanation:

(j + c) - 2

This is the equation to start you off

User Newtopian
by
2.5k points