Question 974715
{{{ 1*x + 2y >= 50 }}}
If you sell {{{ 20 }}} slices of cake, 
You can sell {{{ 10 }}} scoops of ice cream
{{{ 1*10 + 2*20 = 50 }}}
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Or
{{{ 10 }}} slices of cake
{{{ 30 }}} scoops of ice cream
{{{ 1*30 + 2*10 = 50 }}}
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You can figure out a 3rd one