You simply divide, since it's a fraction. If you divide 14 b7 25, you get an answer of 0.56. :)
Answer:

Step-by-step explanation:

16 x 8 because its 16 oz per 1 lb so in order to find 8 lbs you have to multiply
I think the answer will be an equal number of students chosen at random from each grade level. Hope it help!