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Mathematics 17 Online
OpenStudy (anonymous):

If w whistles cost c cents, how many whistles can you get for d dollars?

OpenStudy (chrisplusian):

\[(w)(c)=$ \]

OpenStudy (chrisplusian):

so

OpenStudy (anonymous):

hmm

OpenStudy (anonymous):

dw/c?

OpenStudy (chrisplusian):

\[$/(c)=w\]

OpenStudy (anonymous):

hmm

OpenStudy (anonymous):

answer choices are 100dw/c

OpenStudy (anonymous):

dw/100c

OpenStudy (anonymous):

100cdw

OpenStudy (anonymous):

$/(c) = w is right.

OpenStudy (anonymous):

dw/c

OpenStudy (anonymous):

and cdw

OpenStudy (anonymous):

Mhmm..

OpenStudy (anonymous):

c and E are nonsensible

OpenStudy (anonymous):

since this problem is going to deal with division

OpenStudy (anonymous):

right?

OpenStudy (anonymous):

so, dollars times whistles/100c?

OpenStudy (anonymous):

dw/100c?

OpenStudy (anonymous):

you there?

OpenStudy (anonymous):

you there?

OpenStudy (anonymous):

let me check

OpenStudy (anonymous):

ty

OpenStudy (anonymous):

Dang I have to go.

OpenStudy (anonymous):

@Chlorophyll This nerd will help you out :3

OpenStudy (anonymous):

ty

OpenStudy (anonymous):

could you help me out chlorophyll?

OpenStudy (anonymous):

Could you explain how I should tackle this problem?

OpenStudy (anonymous):

just do ratio, don't forget to convert dollar into cents

OpenStudy (anonymous):

what do you mean?

OpenStudy (anonymous):

like, 100 cents equals a dollar?

OpenStudy (anonymous):

Is that what you are trying to say?

OpenStudy (anonymous):

Number of whistle = d dollar * W/ c cent = 100 C * W/ C = 100 W

OpenStudy (anonymous):

ok?

OpenStudy (anonymous):

ehh

OpenStudy (anonymous):

100dw/c

OpenStudy (anonymous):

thats the answer, but why?

OpenStudy (anonymous):

I understand where we got the 100 and dollars from

OpenStudy (anonymous):

so, since each whistle costs c cents, we have to divide?

OpenStudy (anonymous):

we have to convert from cents to dollars

OpenStudy (anonymous):

so we got 100dw/c?

OpenStudy (anonymous):

am I correct?

OpenStudy (anonymous):

Is my reasoning correct?

OpenStudy (anonymous):

you there, Chlorophyll?

OpenStudy (anonymous):

x/ d = W/ c ->( x/ 100 c ) = w / C

OpenStudy (anonymous):

100d times whistles/c

OpenStudy (anonymous):

so my reasoning is correct?

OpenStudy (anonymous):

=> x = 100C * W/ C = 100 Whistes

OpenStudy (anonymous):

k...

OpenStudy (anonymous):

so am I right?

OpenStudy (anonymous):

No more d, because d is convert into 100 cents

OpenStudy (anonymous):

but

OpenStudy (anonymous):

answer booklet states A as the answer

OpenStudy (anonymous):

100dw/c is the correct answer

OpenStudy (anonymous):

100 times 2 dollars equals 200 dollars

OpenStudy (anonymous):

200 times 2 whistles equals 400 dollars

OpenStudy (anonymous):

If the book use d as unit, so yes!

OpenStudy (anonymous):

400 dollars divided by 50 equals 8 dollars

OpenStudy (anonymous):

cents becomes a whole number

OpenStudy (anonymous):

so

OpenStudy (anonymous):

we got 100 times 2

OpenStudy (anonymous):

which is 200

OpenStudy (anonymous):

times 2 whistles is 400

OpenStudy (anonymous):

divided by 40 is 9

OpenStudy (anonymous):

8 I mean

OpenStudy (anonymous):

Are you asking the same question?

OpenStudy (anonymous):

I think I got it...

OpenStudy (anonymous):

here is a medal

OpenStudy (anonymous):

ty for helping me

OpenStudy (anonymous):

let me post next problem

OpenStudy (anonymous):

Okie!

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