Six students decided to rent a limo for prom. There is a flat charge of $50 for the rental, on top of the $60 per hour rate. If the bill total was $410 then how many hours did they rent the limo for?

What is the length of the unknown leg in the right triangle ?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4