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RUDIKE [14]
3 years ago
14

A Science class begins at 1:30 p.m and ends at 3:00 p.m. How many minutes long is the Science class?

Mathematics
2 answers:
mart [117]3 years ago
5 0

Answer:

90 minutes long

1 hour, 30 minutes

Step-by-step explanation:

The science class begun 1:30pm and ends 3:00pm

An hour is 60minutes.

Between 1:30pm and 2:00pm is 30minutes.

And from 2:00pm to 3:00pm is an hour, that is 60minutes

We therefore have 30minutes+60 minutes=90 minutes long.

We can also say an hour, 30 minutes

Llana [10]3 years ago
4 0

Answer:

90 min

Step-by-step explanation:

3h=180 min

1h and 30min=90min

3h-1h and 30min=180min-90min=90

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Answer:

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Step-by-step explanation:

To find the answer you multiply the amount of races (9) by the length of each race (7/10 km).

\frac{7}{10}  \times  \frac{9}{1}  =  \frac{63}{10}  \: or \: 6 \frac{3}{10}

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Answer:

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Step-by-step explanation:

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