Question
The barrel of an ink pen cylinders in shape is 7cm long and 5mm in diameter.A child filled up the ink in this pen from 1 line ink bottle. How may times a child will filled his ink pen.
Answers
Steve
not sure what "1 line" is in volume. Anyway, when you figure out how many ml the bottle holds, divide it by the pen's volume, which is
(3.14) (3.5)^2 (0.5) cm^3 (or ml)
(3.14) (3.5)^2 (0.5) cm^3 (or ml)
Steve
Rats - mixed up the dimensions. Use
(3.14) (.5)^2 (7)
(3.14) (.5)^2 (7)