A Chrismas bag of M&M candies contains 120 pieces. Some red and the rest are green marbles . There are 19 red for every green M&M candy. a. How many red M&M candies are in the bag?

Three coins are flipped. what is the probability that there will be at least two tails?

Can someone answer this question? : )

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.