Harry and his dad share the cost of the meal in the ratio 2:3 Harry's dad pays 52.50

X=money paid by Harry.

y=money paid by dad of Harry.

We suggest this system of equations.

x/y=2/3 ⇒ x=2y/3

y=52.5

so, we solve by substitution method.

x=2 (52.5) / 3=35

therefore, Harry paid $35