A bag is full of red pens, black pens and blue pens. If 50% are black pens , 30% are blue pens, then what per cent are red pens ?Also find the no. of red pens, if total pens in the bag are 110 .
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Answered by
1
Answer:
Step-by-step explanation:
50 % of the pens are Blue means that
0.4×110 are Blue which means that 44 pens are blue.
30 % of the pens are red means that 0.6×110 are red which means that 66 pens are red.
finally 44 + 66 = 110
Answered by
0
Answer:
20%
Step-by-step explanation:
The % of red pens is 20%
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