a bag contains 3 red marbles and 6 blue marbles what it the probability of randomly selecting a red marble from the bag?
2 answers:
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Answer:
g(q) =
Step-by-step explanation:
Given
- 7q + 12r = 3q - 4r
Rearrange making r the subject
Add 7q to both sides
12r = 10q - 4r ( add 4r to both sides )
16r = 10q ( divide both sides by 16 )
r = =
, thus
g(q) =
