Area = 1/2bh = 1/2 x 8.5 x 5.4 = 22.95 squared centimeter
10% of 90 is 9. You can try cross multiplying.
Number of stocks held = 30
Price at which each shares of Lofty Cheese Company bought = 20 1/4
= (81/4) dollars
Price at which each shares of Lofty Cheese Company sold = 25 1/4
= (101/4) dollars
Amount of profit made per share of Lofty Cheese Company = [(101/4 - (81/4)] dollars
= (20/4) dollars
= 5 dollars
Amount of profit made for 30 shares of Lofty Cheese Company = (30 * 5) dollars
= 150 dollars.
So you will make a profit of $150.The correct option in regards to the question given is option "C".
Cosine is probably either opp/hyp or adj/hyp