Adam bought 20 shares of stock xyz at the close price of $10.51. he bought 20 more shares a year later at the price of $8.93. if his broker charges $25 for each transaction, how much money did will spend in total to make these purchases?

a. $178.60
b. $438.80
c. $210.20
d. $388.80

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%.

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then,the two had the same amount of money. how much money did each have originally?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp