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Mathematics 23 Online
OpenStudy (anonymous):

directly proportional question

OpenStudy (anonymous):

at a science conference, the length of the question period is directly proportional to the length of the session . if there is a 15-minute question period in a 50-m. session ,how many minutes long is the question period in an 30 -minute session at this conference?

OpenStudy (anonymous):

need hlp @pooja195

OpenStudy (anonymous):

cn u hlp @kropot72

OpenStudy (kropot72):

Let x be the length of the question period after a 30-minute session. Then we can write: \[\large \frac{15}{50}=\frac{x}{30}\] Now you need to solve the equation to find the value of x.

OpenStudy (anonymous):

=9

OpenStudy (anonymous):

wts now the answer is 20 how i do it @kropot72

OpenStudy (kropot72):

Yes, 9 minutes is correct.

OpenStudy (anonymous):

@kropot72

OpenStudy (anonymous):

answer is 20

OpenStudy (kropot72):

The correct answer for the question that you posted is definitely 9 minutes.

OpenStudy (anonymous):

ik thanks

OpenStudy (anonymous):

ok thank u

OpenStudy (anonymous):

@kropot72

OpenStudy (anonymous):

u r the best

OpenStudy (kropot72):

You're welcome :)

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