Question

perform the indicated operation, being careful not to leave more than 59 seconds or 59 minutes in your answers.

\

$$\begin{array}{r} 9\\text{ hours, } 26\\text{ minutes, } 57\\text{ seconds} \\\\ -\\quad 2\\text{ hours, } 55\\text{ minutes, } 39\\text{ seconds} \\\\ \\hline \\end{array}$$

show all appropriate work on loose leaf paper to be submitted as a single pdf file for the file response question at the end of the test. the answer in the answer box is worth 1 point and the work is worth 4 pts.

Explanation:

Subtract the seconds

Using the Time Subtraction and Sexagesimal Regrouping knowledge points

$$ 57\text{ seconds} - 39\text{ seconds} = 18\text{ seconds} $$

Subtract the minutes

Using the Time Subtraction and Sexagesimal Regrouping knowledge points

$$
LATEXBLOCK0
$$

Subtract the hours

Using the Time Subtraction and Sexagesimal Regrouping knowledge points

$$
LATEXBLOCK1
$$

Answer:

Perform the indicated operation, being careful not to leave more than 59 seconds or 59 minutes in your answers.

9 hours, 26 minutes, 57 seconds

• 2 hours, 55 minutes, 39 seconds

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<blank>6 hours, 31 minutes, 18 seconds</blank>