# math

posted by .

Is 20 miles more or less than 20,000 kilometers?

• math -

1 mile = 1.60934 km

What do you think?

• math -

Well how would you show your work?

• math -

If you tell me what you think and why, I'll show you how to show the work.

• math -

Well I started with...

20 x 1,000 and got 20,000 kilometers

next i'm thinking I should do
20,000 x ?

• math -

What do you think you should do with this fact?

1 mile = 1.60934 km

• math -

Do 1.60934 divided by 20,000?

• math -

Let's set up a proportion. Cross multiply and solve for x.

1/ 1.60934 = 20/x

x = 32.1868

20 miles = 32.1868 km

• math -

can you PLEASE explain it in any easier way?:(

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20 * 1.60934 = ________ km

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20 x 1.60934=_ km?

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Yes. * means multiply

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THANK YOU!!!!!!!!!!!!!!!!!!

• math -

You're welcome. :-)

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