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If -1/5 of a number n is at most 21, what are the possible values of n? How do you write and solve an inequality to find n?

1 Answer

Dec 12, 2016

Solution: # n >= -105 #. In interval notation expressed as #[-105, oo)#

Explanation:

# -1/5*n <=21 or -n <= 105 or n >= -105#

Solution: # n >= -105 #. In interval notation expressed as #[-105, oo)#[Ans]

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