1. a large pizza at palanzio’s pizzeria costs $6.80 plus $0.90 for each topping. the cost of a large cheese pizza at guido’s pizza is $7.30 plus $0.65 for each topping. how many toppings need to be added to a large cheese pizza from palanzio’s pizzeria and guido’s pizza in order for the pizzas to cost the same, not including tax?
2. ms. kitts works at a music store. yesterday she sold 6 more than 3 times the number of cds that she sold today. ms. kitts sold a total of 110 cds over the 2 days. find the number of cds she sold each day.