If you get 76% on a 50 question test how many questions did you get wrong?

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?

Need so much on this one how many yards?

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.