Question

What is the interest rate on Paul's account? (2 points) 15.9% 6.9% 6.5% 1.8%
Paul deposited $350 and earns $12.6 every 2 years($6.3 per year).

Answer 1

$350=initial, $12.60=annual interest*2, $6.30=annual interest, x=interest rate
350x=6.30
x=6.30/350
x=0.018
percentage=x*100
interest rate=1.8%