In 2004 Social Security system's income, I, was $575 billion,

Kathy Williams

Kathy Williams

Answered question

2021-12-14

In 2004 Social Security system's income, I, was $575 billion, projected to increase by $43 billion per year. Find the year at which the income will be $1177 billion, write out the expression algebraically.

Answer & Explanation

Cassandra Ramirez

Cassandra Ramirez

Beginner2021-12-15Added 30 answers

Step 1
Let the time in years be t.
The income is expressed as I(t)=575+43t since the initial income is $575 billion and is projected to increase by $43 billion per year.
Step 2
If the income is $1177 billion, then the value of t is
1177=575+43
43t=602
t=60243
t=14
Therefore, the year at which the income will be $1177 billion is 14 years.

Ella Williams

Ella Williams

Beginner2021-12-16Added 28 answers

In 2004, the systems

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