mpaltz mpaltz
  • 11-04-2019
  • Mathematics
contestada

the gateway arch in missouri casts a 140 foot shadow while a 18-foot pile casts a 4-foot shadow. How tall is the arch?

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poof4 poof4
  • 11-04-2019

4/18= x/140 cross multiply

4x=2520

2520/4

x=630

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