Question

Can someone help me with number 9 please? thanks

Answer 1

Each of the 223 million people put $10 back into circulation every year.

$\sf 223,000,000\times 10=2,230,000,000$

So every year, this much money goes into circulation, and this is how much that goes into circulation the first year.

$\sf 2,230,000,000+2,230,000,000=4,460,000,000$

This is how much that will be in circulation after 2 years.

$\sf 4,460,000,000+2,230,000,000=6,690,000,000$

This is how much that will be in circulation after 3 years.

So we can create the table:

$\sf\left[\begin{array}{cc}\sf Years&\sf Money&\sf 1&\sf 2,230,000,000\\\sf 2&\sf 4,460,000,000&\sf 3&\sf 6,690,000,000\end{array}\right]$