Question 763968
Let {{{ c }}} = the merchant"s ( cost ) / ( basket )
Let {{{ p }}} = profit on 2nd and 3rd baskets
{{{ c - .1c = .9c }}} = selling price for 1st basket
{{{ c + p }}} = selling price for 2nd and 3rd baskets
{{{ .9c + 2*( c + p ) = 3c + .02*3c }}}
{{{ .9c + 2c + 2p = 3c + .06c }}}
{{{ 2p = 3.06c - 2.9c }}}
{{{ 2p = .16c }}}
{{{ p = .08c }}}
1st basket: 10% loss
2nd basket: 8% profit
3rd basket: 8% profit
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check:
suppose each basket costs $10
selling price 1st basket = {{{ 10 - .1*10 = 9 }}}
selling price 2nd basket = {{{ 10 + .08*10 = 10.8 }}}
selling price 3rd basket = {{{ 10 + .08*10 = 10.8 }}}
{{{ 9 + 2*10.8 = 30.6 }}}
{{{ 30.6 / 30 = 1.02 }}}
This is a 2% profit
OK