# Emptying a Tank

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ramelcoletana
Emptying a Tank

Two pumps of different sizes, working
together, can empty a fuel tank in 5 hours.The larger pump
can empty this tank in 4 hours less than the smaller one. If the
larger pump is out of order, how long will it take the smaller
one to do the job alone?

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Joe

Jhun Vert

Is this a MathCAD? The symbol := is familiar.

Engr Jaydee

Yes sir, I think this is MathCAD Prime.

• Mathematics inside the configured delimiters is rendered by MathJax. The default math delimiters are $$...$$ and $...$ for displayed mathematics, and $...$ and $...$ for in-line mathematics.