Cristofer Watson
2022-10-13
Answered

Suppose you have a 100-mL cup,a 300-mL cup, and a 500-mL cup. list two different ways you can measure exactly 1 L

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Milton Hampton

Answered 2022-10-14
Author has **16** answers

$1L=1000mL$

You can use the 500 mL cup twice.

$500+500=1000$

Or you can use the 300 mL cup 3 times and the 100 mL cup once.

$300+300+300+100=1000$

You can use the 500 mL cup twice.

$500+500=1000$

Or you can use the 300 mL cup 3 times and the 100 mL cup once.

$300+300+300+100=1000$

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How many minutes in 1 day?

There are 24*60 minutes in a day (ignoring the imperfections of the natural world, the Earth and Sun). So there are 24*60 valid 24 hour times (excluding seconds) on a digital clock.

Each of these can be rotated 4 ways, by 0,1,2 or 3 places. For example :

1 - 12:34

2 - 23:41

3 - 34:12

4 -4 1:23

In which case only 1 and 2 are valid 24 hour times.

How many of these 4*24*60 rotations are also valid minutes? (What is the fastest way to find this out?)

There are 24*60 minutes in a day (ignoring the imperfections of the natural world, the Earth and Sun). So there are 24*60 valid 24 hour times (excluding seconds) on a digital clock.

Each of these can be rotated 4 ways, by 0,1,2 or 3 places. For example :

1 - 12:34

2 - 23:41

3 - 34:12

4 -4 1:23

In which case only 1 and 2 are valid 24 hour times.

How many of these 4*24*60 rotations are also valid minutes? (What is the fastest way to find this out?)