Question 482075
I can call the number of coins {{{ 2n }}} if the number is even
{{{ (2n)/3 }}} is the number of pennies and also the value of the pennies
{{{ (1/2)*2n = n }}} is the number of dimes
{{{ 10n }}} is the value of the dimes
The total value is {{{ 10n + (2n)/3 = (30n)/3 + (2n)/3 }}} =
{{{ (32n) /3 }}} answer
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If the number of coins is {{{60}}}, {{{ 2n = 60}}}
{{{ n = 30 }}}
The value of the pennies and dimes is {{{  32*30/3 = 320 }}} cents,
or $3.20