Mathematics, 17.10.2021 02:30 kedjenpierrelouis
Seven year old Sarah has 9 crayons; 3 blue, 1 red, 2 green and 3 yellow.
a) In how many ways can she line up the crayons on her desk?
b) She is to pick up some of the crayons. How many different choices of some
crayons could she make?
c) How many choices are there if at least one green crayon should be included?
Answers: 2
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Seven year old Sarah has 9 crayons; 3 blue, 1 red, 2 green and 3 yellow.
a) In how many ways can s...
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