T(1) = 9 t(n + 1) = 2 • t(n)
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Answer:
Step-by-step explanation:
Given
Required
The number of each coin
The total coins can be represented as:
So, the worth of the coin is:
The equations to solve are:
Make d the subject in:
Substitute in
Collect like terms
Solve for q
Substitute in
So:
Set up a proportion:
=
To solve cross multiply:
3000x=300000
divide both sides by 3000:
3000x/3000=300000/3000
x=100
It will take her 100 hours to drive 4000 miles assuming she continues to travel at this rate.
To solve cross multiply:
3000x=300000
divide both sides by 3000:
3000x/3000=300000/3000
x=100
It will take her 100 hours to drive 4000 miles assuming she continues to travel at this rate.