There are 40 people in a restaurant, 1/5 of people ordered chicken wings
3/4 of the people ordered a hamburger. how many people ordered a salad?

Atriangular field has sides of lengths 21, 39, and 41 yd. find the largest angle. (round your answer to the nearest degree.)

Tom drove 206 miles in 3.9 hours. estimate his average speed.

Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?