How to find the common ratio of a geometric sequence?
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Answer:
Average income of Eric for the remaining 8 months =
Step-by-step explanation:
Given: Average income of Eric for the first 4 months of the year is equal to $1,450.25
To find: average income for the remaining 8 months so that his average income for the year is $1,780.75
Solution:
Average income = Total income for the year/Total number of months
Average income of Eric for the first 4 months = $1,450.25
So,
Total income of Eric for the first 4 months = 1,450.25 × 4 = 5801
Let x denotes total income of Eric for the remaining 8 months
Total income for the year = 5801 + x
Therefore,
Average income for the year =
Also, average income for the year is $1,780.75
Total income of Eric for the remaining 8 months = $15568
Average income of Eric for the remaining 8 months =