Chapter 11.4, Problem 43PPS

To determine

To write an simplify an expression to find the gallons of blood pumped per hour.

Answer to Problem 43PPS

Blood pumped per hour is $261.97$ gallons per hour

Explanation of Solution

Given:

Heart beats $70$ times a minute and pumps $1$ cup of blood

Formula Used:

  $1$ cup $=$ $0.0625$ gallon

  $1$ min $=$ $0.0167$ hour

Calculation:

Given: Heart beats $70$ times a minute and pumps $1$ cup of blood

Blood pumped per heartbeat $=$ $70$ cups per minute

Using the above formula, we have:

Expression for Blood pumped per hour $=$ $70\times \frac{0.0625}{0.0167}$ gallons per hour

Solving further, we have:

Blood pumped per hour $=$ $261.97$ gallons per hour

Conclusion:

Hence, Blood pumped per hour is $261.97$ gallons per hour