Question

What is the interest rate on Paul’s account?

Answer 1

looks like in two years it went from $350 to $362.6 for an increase of $12.6 in two years. since the graph is linear that means in one year it must have increased by $6.3

as a percent of the original amount, compute
\[\frac{6.3}{350}\] and then move the decimal two places to get the percent increase