Pump a Can Either Fill or Empty a Tank in the Same

question 7

Short Answer

Pump A can either fill or empty a tank in the same amount of time. If pump A and pump B are working together, the tank can be filled in 36 minutes. When pump A is draining the tank while pump B is filling it, the tank fills in 180 minutes. How long would it take either pump working alone to fill the tank?

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Definitions:

Accounts Receivable

Money owed to a company by its customers for goods or services delivered but not yet paid for.

Retained Earnings Account

An equity account on the balance sheet that represents the accumulated net income of a company that has not been distributed to shareholders as dividends.

Dividends Account

An account in the ledger that records dividends paid out to shareholders by a company.

Retained Earnings Account

An equity account that represents the accumulated portion of net income not distributed to shareholders in the form of dividends.