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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, 3/5 are green. How many red key chains are inside the bin?
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Oct 8, 2018
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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, 3/5 are green. How many red key chains are inside the bin?
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Pengun
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Hey You!
350 * 10% = 35
350 - 35 = 315
315 / 5 = 63
63 × 3 = 189
315 - 189 = 126
There are 126 red keys in the bin! =)
Mickey Cohen
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Oct 12, 2018
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