The cost for a large cheese pizza at Pizza Palace is $10 plus $1.25 for each additional topping. The cost…

The cost for a large cheese pizza at Pizza Palace is $10 plus $1.25 for each additional topping. The cost for a late pizza at Luigi’s Pizzeria is $8 plus $1.75 for each additional topping. For what number of toppings is Luigi’s Pizzeria less expensive than Pizza Palace?