radomes.openskiesproject.org
raelre raelre
  • 15-03-2015
  • Mathematics
Answered

The scale model of a skyscraper being built is 4.2 feet tall

A)when it is finished , the skyscraper will be 525 meters tall . what scale was used to make the model

Verified Answer :

apologiabiology
apologiabiology apologiabiology
  • 21-03-2015

so convert from feet to meters

1 foot=12 in
1 meter=39 in

so x times foot=meter
x times 12=39
divide both sdies by 12
x=39/12
x=3 and 3/12 or 3 and 1/4 or 3.25

so 525=(3.25 times 525) feet=1705.25 feet

so 4.2 to 1705.25
turn into fraction and simplify
1705.25/4.2=406.25/1

the ratio is 406.25:1

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