Amy and mike going to an amusement park that you could buy ice cream and my got is soda amy had a $10 coupon to put towards the cost and mike paid the rest which came to $30.25 admission for one person cost $18 and ice cream cost one dollar and 50 cent how much does a soda cost at the amusement park

As per the problem

Amy and Mike going to an amusement park.

Admission for one person cost $18.

It mean total admission cost$

Ice cream cost $1 and 50 Cent.

It mean total ice cream cost$

Let Soda for two costs=$2x

Since total expenses$

Hence we can write

Hence soda for one person cost $0.625

look a the sides they are perpendicular