fveavae7967 fveavae7967
  • 30-03-2021
  • Mathematics
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The cost of a plane ticket varies directly as the number of miles in the trip. A 3000 mile trip costs $400. What is the cost of a 450 mile trip

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clarch19
clarch19 clarch19
  • 30-03-2021

Answer:

$60

Step-by-step explanation:

set up a proportion and cross-multiply:

3000/400 = cost/450

c = cost

3,000c = 180,000

c = 180/3

c = 60

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