Find the sum of the first 7 terms of the following series, to the nearest integer.
1 answer:
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Answer:
[ where
is number of months]
Step-by-step explanation:
Pool pass cost for first month =$30
Pool pass cost after first month = $15 for each month
The total amount charged by the pool can be expressed as a function where
represents the number of months.
This can be simplified by using distribution.
Take 15 as greatest common factor.
∴
For
∴ Amount charged by pool for 12 months = $195