An empty shipping box has a mass of 2.75kg. an electronics store is packing 5 identical laptop in the shipping box. each laptop has a mass of 1.65kg. the cost of to ship the box was $40.00 for the first 5 kg and $3.15 for each kg over 5kg over . what was the cost to ship the packed box.

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.

If 3x+8=3x+8 is it one solution or no solution

Math each whole number with a rational,exponential expression