
Ride ticket cost for per ticket is $2.5
and henry bought 15 tickets so in riding he spent $2.5×15 - $ 37.50= $18
(a) And as according to question he spent a total of $55.50 at the fair. Henry spent his money only on ride tickets and fair admission.
So for fair admission he spent
$55.50 -$37.50
HOPE. IT HELPS YOU.