While digging in the backyard, you find an old coin. Its mass is 26.76 g and its volume is 3 cm3. Use the chart to determine what is the coin made of? Solids Density g/cm Table of Densities Density g/cm Solids 2.56 Copper 2.64 Gold Marble 8.92 19.32 Quartz Diamond 3.52 Platinum 21.4 Copper gold platinum Silver

Adescription of at least one real life problem that has to be solved or decision that has to be made using good judgment, and obstacles encountered while making the decision(s) or solving the problem(s) (again, these can be real examples or imagined, but they should clearly illustrate your understanding of the obstacles described.) at least three key terms from the lesson used in your example(s):