Question 1159831


{{{8 (x + 2.75) = 78}}}->Rita made error in the equation

if the number of necklaces is {{{x}}}, and the materials to make each necklace cost is  ${{{2.75}}}, Rita needed to subtract cost because she wants total profit of ${{{78}}}

{{{8 (x - 2.75) = 78}}}
{{{ x - 2.75 = 78/8}}}
{{{ x - 2.75 = 9.75}}}
{{{ x = 9.75+2.75 }}}
{{{ x = 12.5 }}}-> she needs to sell each necklace for ${{{12.5 }}} to make a total profit of ${{{78}}}


check:

she made {{{8}}} necklaces
each necklace cost ${{{2.75}}}-> total cost is each necklace cost ${{{8*2.75=22}}}

if she sell them for ${{{12.5}}} each, she would earn amount of ${{{12.5*8=100}}}

from that amount she subtract cost which is  ${{{22}}}
 ${{{100-22=78}}}-> which is her profit