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19-01-2017
Mathematics

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Socks cost five dollars per pair. The expression 5p represents the cost in dollars of p pairs of socks. Why must p a whole number?

Socks cost five dollars per pair The expression 5p represents the cost in dollars of p pairs of socks Why must p a whole number class=

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19-01-2017

The variable "p" is the pair of socks
P must be a whole number becuase you cant sell half a sock.

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