Answer:
126
Step-by-step explanation:
Total volume of sand = pi/3*(6^2)*(15) + pi*(6)^2*(30) = 1260*pi mm^3
So it will therefore take 1260*pi/10*pi = 126 seconds for all of the sand from the top hourglass to drip down to the bottom hourglass.
All answers are correct
Keep it up
Answer:
Would ypu plz show us the number line so at least i could answer the question
Indefinitely many
The lines are on each other so every solution is correct
