Witch of the following options have the same value as 75% of 96 ?

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price

The product of sin 30 degrees and sin 60 degrees is same as the product of

Plzzz answer both questions and i will give you 100 points