Ronaldo will write 3/20 as a decimal which of the following method should he use

Click on the graphic until you find the right quotient. (36xa - 30xb) ÷ (-6x2)

With hw i put a image and it cleary enough for you to see now i need with math now

Acaterer prepares three times as many pizzas as she usually prepares for a large party. the caterer usually prepares 5 pizzas. the caterer also estimates that each party guest will eat 1/2 of a pizza. write an expression that represents this situation. how many party guests will the pizzas serve?