student solutions manual, volume 1 for serway jewett's
Volume is proportional to the cube of the linear dimension, so this moderate excess in linear size gives it the (1.43)(1.43)(1.43) = 2.92 times larger volume it needs for equal mass. 23. One gallon of paint (volume = 3.78 × 10–3 m3) covers an area of 25.0 m2. What is the thickness of the fresh paint on the wall?