Question 612296
A student's ticket costs {{{ t }}} dollars
(a)
An adults ticket costs {{{ t + 5 }}} dollars
(b)
2 adult tickets cost {{{ 2*( t + 5 ) }}}
3 student tickets cost {{{ 3t }}}
Cost for family is 
{{{ 2*( t + 5 ) + 3t }}}
{{{ 2t + 10 + 3t }}}
{{{ 5t + 10 }}} dollars