A train in the mountains rises 10 feet for every
250 feet it moves along the track. Find the angle
of elevation of the track.

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Find the solution of each of the following.

There are 93 calories in a small candy bar how many calories are ther in a half dozen small candy bars?