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A plastic bin contains red, yellow, and green key chains. Out of 350 key chains, 10% percent are yellow. Of the remaining key chains, are green. How many red key chains are inside the bin?

A.
26
B.
35
C.
126
D.
189

User Radinator
by
5.0k points

2 Answers

3 votes
C. 126 red. I am not 100% sure
User Rune Grimstad
by
5.3k points
3 votes

Answer:

c.126 red

Explanation:

red+green+yellow=350

10% out of 350 are yellow

0.1 times 350=35

350-35=315

3/5 out of 315 are green

red is not green so

2/5 of what is left is red

2/5 of 315 is red

2/5 times 315=430/5=126

126 red

User Yingbo Miao
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4.8k points