crystalb23 crystalb23

06-10-2016
Mathematics

contestada

this is due tmr and i don't know this so pls help thx !!

this is due tmr and i dont know this so pls help thx class=

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apologiabiology apologiabiology

06-10-2016

d=rt

300=r4.5

divide both sides by 4.5

66 and 2/3=r

the rate is 66 and 2/3mph

p=2(l+w)

90=2(20+w)

divide both sides by 2

45=20+w

minus 20 both sides

15=w

width=15in

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