A bag contains red and blue pens in the ratio 2:7. There are 18 red pens in the bag. How many blue pens are in the bag?
2 answers:
blue pens= 63
Step-by-step explanation:
answer of question
Answer:There are
49
blue balls in the bag.
Explanation:
The ratio of red balls and blue balls in a bag is
2
:
7
i.e for every
2
red balls there are
7
blue balls. So for
14
red balls there are
14
----
2
⋅
7
=
49
blue balls.[Ans]
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