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finlep [7]
2 years ago
15

Mario worked from 8:25 to 12:45 yesterday.Today he will work 11:20 to 3:10. How many hours did he work in all?

Mathematics
1 answer:
Vesnalui [34]2 years ago
7 0

Answer:

Mario worked <em>from</em>

<em><u>8</u></em><em><u>:</u></em><em><u>2</u></em><em><u>5</u></em><em><u> </u></em><em><u>to </u></em><em><u>1</u></em><em><u>2</u></em><em><u>:</u></em><em><u>4</u></em><em><u>5</u></em><em><u> </u></em><em><u>yesterday</u></em>

<em><u>1</u></em><em><u>1</u></em><em><u>:</u></em><em><u>2</u></em><em><u>0</u></em><em><u> </u></em><em><u>to </u></em><em><u>3</u></em><em><u>:</u></em><em><u>1</u></em><em><u>0</u></em><em><u> </u></em><em><u>today</u></em>

<em><u>To </u></em><em><u>find </u></em><em><u>the </u></em><em><u>total </u></em><em><u>time</u></em><em><u> </u></em><em><u>of </u></em><em><u> </u></em><em><u>work </u></em>

<em><u> </u></em><em><u> </u></em><em><u>1</u></em><em><u>2</u></em><em><u>:</u></em><em><u>4</u></em><em><u>5</u></em>

<em><u>-</u></em><em><u>8</u></em><em><u>:</u></em><em><u>2</u></em><em><u>5</u></em>

<em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u> </u></em>

<em><u>4</u></em><em><u>:</u></em><em><u>2</u></em><em><u>0</u></em>

<em><u>again </u></em>

<em><u> </u></em><em><u> </u></em><em><u>1</u></em><em><u>1</u></em><em><u>:</u></em><em><u>2</u></em><em><u>0</u></em>

<em><u>-</u></em><em><u>3</u></em><em><u>:</u></em><em><u>1</u></em><em><u>0</u></em>

<em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em><em><u>_</u></em>

<em><u>8</u></em><em><u>:</u></em><em><u>1</u></em><em><u>0</u></em>

<em><u>Therefore</u></em><em><u> </u></em>

<em><u>4</u></em><em><u>:</u></em><em><u>2</u></em><em><u>0</u></em><em><u> </u></em><em><u>+</u></em><em><u> </u></em><em><u>8</u></em><em><u>:</u></em><em><u>2</u></em><em><u>0</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>1</u></em><em><u>2</u></em><em><u> </u></em><em><u>hours </u></em><em><u>3</u></em><em><u>0</u></em><em><u> </u></em><em><u>min</u></em>

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