Question 1156586
Let {{{ n }}} = number of pieces sold at the reduced price
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{{{ 850n + 1150*( 88 - n ) = 82300 }}} ( in cents )
{{{ 850n + 101200 - 1150n = 82300 }}}
{{{ -300n = -18900 }}}
{{{ n = 63 }}}
and
{{{ 88 - n = 25 }}}
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63 sold at reduced price
25 sold at original price
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check:
{{{ 850n + 1150*( 88 - n ) = 82300 }}}
{{{ 850*63 + 1150*25 = 82300 }}}
{{{ 53550 + 28750 = 82300 }}}
{{{ 82300 = 82300 }}}
OK