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Mathematics 16 Online
bloodywolf1:

Which expression converts 100 inches per minute to feet per minute? StartFraction 100 inches Over 1 minute EndFraction × StartFraction 60 minutes Over 1 hour EndFraction StartFraction 100 inches Over 1 minute EndFraction × StartFraction 1 hour Over 60 minutes EndFraction 100 inches Over 1 minute times × StartFraction 1 foot Over 12 inches EndFraction 100 inches Over 1 minute times × StartFraction 12 inches Over 1 foot EndFraction

Salmon:

How many inches are in one foot?

bloodywolf1:

12

Kingtaker435:

12

Salmon:

Correct

Kingtaker435:

yes

Salmon:

So do you know what that fraction would look like?

bloodywolf1:

not at all

Salmon:

One inch per 12 feet would look like this 1/12

Salmon:

Do you understand why?

bloodywolf1:

yes because if we have 1foot , the inches in side are12

Salmon:

Correct... Very Well!

Salmon:

Now we have (looking at the 100 inches per minute) 100 in/min

Salmon:

You understand this right?

bloodywolf1:

kindof

Salmon:

Ok what is confusing you so far?

bloodywolf1:

what do you mean by 100/min

Salmon:

There are 100 inches per minute in the question you see that?

bloodywolf1:

yes

Salmon:

Ok and 12 inches in one foot....you following?

bloodywolf1:

yes

Salmon:

So to convert in/minutes to ft/minutes do you know what we should do?

bloodywolf1:

no what

Salmon:

We are going to take our 100in/min and multiply that by 1/12

Salmon:

Divide sorry....now we have what? Do you know?

bloodywolf1:

20

Salmon:

100 divided by 12?

bloodywolf1:

8.33333333333.......sorry

Salmon:

Correct and that over 1 is just 8.3333 yk that is ft/min

bloodywolf1:

WHAT

bloodywolf1:

;0

Salmon:

Why are you confused?

Salmon:

You just transfered 100 inches to feet

bloodywolf1:

im in grade 9 and have a IEP.........SORRY

Salmon:

It is ok what is confusing you?

bloodywolf1:

i just dont see what you mean by 1 is just 8.3333 yk that is ft/min

Salmon:

Ok 8.3333..... is feet per minute you get that?

bloodywolf1:

yes

Salmon:

That is what I said in that sentence just in a confusing way...sorry

bloodywolf1:

its fine

Salmon:

Do you remember the formula that we used to get the 8.3333... ?

bloodywolf1:

100 divided by 12??????

Salmon:

That is correct....but put like this 100/1minute times 1foot/12 inches

Salmon:

That is your answer

Salmon:

100 inches Over 1 minute times × 1 foot Over 12 inches

bloodywolf1:

thank you so much

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