8/18/2019 Jesse Hillman 2C Guided Practice

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8/18/2019 Jesse Hillman 2C Guided Practice

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" put hamur'er C $n as s$$n as the %rst 10 minutes #ere $(erand t$$* $< Hamur'er A. )hen Hamur'er %nished c$$*in' a&terthe net %(e minutes and " put Hamur'er A ac* $n and then a&ter

an$ther %(e minutes " t$$* Hamur'er A $< and let Hamur'er C sta+$n the 'rill &$r an$ther 5 minutes. All in all it #as 25 minutes.

2.!S$ there are =i(e lue and =i(e r$#n s$c*s n$# " didn>t reall+ha(e a euati$n &$r this pr$lem " ?ust put it all in a chart andima'ined it.

@: r$#n5 5

n$# i& +$u ta*e t#$ s$c*s $ut there are $nl+ $pti$ns $r pairs $& s$c*s+$u can pull $ut.

8pti$n AB 1 lue s$c* and 1 r$#n S$c*.8pti$n B 1 lue s$c* and 1 lue S$c*.8pti$n CB 1 r$#n S$c* and 1 r$#n s$c*.

:ither #a+ the net s$c* +$u pull $ut #ill c$mplete $ne $& the pairs $r+$u #ill alread+ ha(e a pair.

S$ the ans#er is s$c*s ecause it is the %rst time that +$u are'uaranteed t$ ha(e a pair $& s$c*s.

 $u #ill either ha(e

8pti$n AB 1 lue and 1 r$#n and 1 lue8pti$n B 1 lue and 1 lue s$c* and 1 r$#n s$c*8pti$n CB 1 r$#n s$c* and 1 r$#n s$c* and $ne lue s$c*

 )here are m$re $pti$ns ut the+ all lead t$ +$u ha(in' a pair $& s$c*sthat matches a&ter the third s$c*.

.!9$# this pr$lem $& 115 $+s and 100 'irls rati$ in a2D5,000,000 is a simple cr$ss multiplicati$n pr$lem.

 $u %nd $ut #hat 115 $+s t$ 100 'irls in a 2D5,000,000 euati$n#hich is &$und +

Addin' 115 and 100 t$ %nd the rati$ $& $+s t$ the t$tal.And then +$u put it d$#n as

8/18/2019 Jesse Hillman 2C Guided Practice

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-115/215!-E/2D5,000,000! 215E 2D5,000,000-115!

E 1FD0402. men

And then +$u %nd the #$men and sutract the t#$

100/215 /2D5,000,000

215 -2D5,000,000!-100!

  12D4064D6.D $men

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