Question 965225
Cost of book A:
{{{ y }}}
Cost of book B:
{{{ 2y + 2 }}}
Cost of book C:
{{{ (1/2 )*( 2y + 2 ) = y + 1 }}}
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Book B:
{{{ 2y + 2 }}}
Cost of all 3 books together:
{{{ y + 2y + 2 + y + 1 = 4y + 3 }}}