It says I have this wrong I’m very confused as the calculator says this is correct? Im in need of a lot of help and it would be very appreciated if someone could provide the answer

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Giuseppi's pizza had orders for $931.00 of pizzas. the prices were $21 for a large pizza, 514 for a medium pizza, and $7 for a small pizza. the number of large pizzas was two less than four times the number of medium pizzas. thenumber of small pizzas was three more than three times the number of medium pizzas. how many of each size of pizza were ordered?

Can you me find the missing length. i attached an image.