The seventh-grade class need to earn money for a trip to the amusement park. of the 160 seventh-grade students, 60% participate in the fundraiser. how many students participate on the fundraiser

Can someone me i’m confused. will give brainliest and a whole bunch of points

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.

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0