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2 years ago

10

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

1 answer:

melisa1 [442]2 years ago

6 0

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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2 years ago

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Answer:

The approximate monthly rate of growth is 1.24%

Step-by-step explanation:

we have the future value formula

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$F=P(1+0.16)^t$

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Find the approximate monthly rate of growth

Remember that

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Applying power rules property

$F=P(1.16^\frac{1}{12})^t$

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Convert to percentage

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