2. There are 90 girls in third year, 25 of whom study biology. What percentage of third year girls study biology?

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. a new supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which size bag provides the best deal, and how much will you save each month? compare the cost of the new supplier to the current one.

Find the arc length of the semicircle. 7the grade

At a book fair, joe bought 24 books at 3 for $5 and had $2 left. how much money did he have at first?