Question

Alaine has 1 gallon of paint. She is going to pour it into a paint tray that measures 10 inches wide, 12 inches long, and 5 cm deep.

(1 gallon = 231 in3 , 1 inch = 2.54 cm)

Answer 1

`1\ in=2.54\ cm\ \ \Rightarrow\ \ 1\ cm= (1)/(2.54)\ in \ \ \Rightarrow\ \ 5\ cm= (5)/(2.54)\ in\\ \\10\ in\ \cdot12\ in\ \cdot 5\ cm=120\cdot (5)/(2.54)\ in^3\approx283.5\ in^3\\ \\\\1\ gallon=231\ in^3\ <\ 283.5\ in^3\\\\\\Ans.\ 1\ gallon\ of\ paint\ will\ fit\ in\ the\ paint\ tray.`