Question

$1800 at 6.5% for 30 months

Answer 1

The interest accumulated by $1800 in 30 months at 6.5% annually is given by:
Amount = Original x (1 + interest rate)^time

Time = 30 / 12 = 2.5 years

New amount = 1800(1 + 0.065)^(2.5)
New amount = $2106.91