sheldonanderson sheldonanderson

25-09-2017
Mathematics

contestada

if a 40-foot tree casts a 12-foot shadow,find the length of a shadow cast by a 23-foot tree

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apologiabiology apologiabiology

25-09-2017

ratio and proportion

shadow:length=12:40=3:10

if length is 23 then
3:10=?:23
3/10=?/23
multiply both sides by 23
69/10=?
6.9=?

6.9ft is the shadow length

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