Answer:
Step-by-step explanation:
The ratio of the number of fiction books is 9:4
the difference between the number of fiction and nonfictionn is 245
so if the number of fiction books = 9x
then the number of nonfiction books = 4x
then difference = 9x-4x = 5x
the difference is given 245
then 5x= 245
x=
=49
number of fiction books =49×9=441
number of nonfiction books =49×4=196
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Answer:
nm
Step-by-step explanation:
n × m = nm ways
<span>2x+12+6x+1-x
You are adding up 2x and 6x and deduct 1x so you get 7x
You add up 12 and 1 which gives 13</span>
Answer:
if the question is 'are the odds of him choosing a red favorable' then the answer would be 'yes' because he has a better than 50% chance; P(red) = 70%
Step-by-step explanation: