Question

You bought pound of dry ice for an experiment. When the experiment was over, youfound that you had used only į of what you bought.How much dry ice did you use?1 2/4 pounds 1/4 pound 1 1/12 pounds5/12 pound

Answer 1

Initial weight of dry ice = 3/4 pounds

After the experiment you used 1/3 of what you bought . The amount of dried ice used can be calculated below

`\begin{gathered} \text{dried ice used=}(1)/(3)of\text{ }(3)/(4) \\ \text{dried ice used}=(1)/(3)*(3)/(4)=(3)/(12)=(1)/(4)\text{ pounds} \end{gathered}`

Amount of dried Ice used = 1/4 pounds