Answer:
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Step-by-step explanation:
If 3n=3a-6 than the answer is B
Answer:
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Step-by-step explanation:
Given
$1000 for 9 days
$750 for 10 days
$850 for 4 days
$900 for other days
Required
Compute the daily average
First, we need to compute the number of days her balance is $900
Assuming the billing cycle is 30 days;



The Average is then calculates using:




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<em> --- Approximated</em>
1. -3/2
2. -1/2
3. 1.3
4. 1 1/2