Starshine7

Cyclist rode first 36 mile portion of his race at constant speed. For 27 cooldown portion he reduced his speed by 3 miles per hour. Each portion took same time, find cyclist speed during first portion and speed during cooldown.
Show me how to set it up? Thanks.

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King

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let constant speed be v then,
t=36/v fr 1st portion

Starshine7

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36/x-3=27/x-3 Is this right?

King

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fr 2nd portion let speed be v/3
so,
t=27/(v-3)

King

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no its 36/x=27/x-3

Starshine7

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|dw:1333458593743:dw|

perl

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king,
maaf keejie

Starshine7

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did i set it up right?

perl

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king, meri samajh mei nahin aaya

King

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kya samaj nahi aara...@Starshine7 yeah its rite

Starshine7

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thank you :)

perl

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king, calculus

King

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so nw equate and tell me what value u get fr v?

King

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so what do i do?

Starshine7

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ok just a sec. :)

perl

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i will post it,

perl

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king, thanks

perl

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mine
english not good

Starshine7

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12?

King

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yup awesome!!

Starshine7

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Great! Thanks so much for the help! :3

King

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ure welcome!!
:D:D:D:D

Starshine7

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:D