The total amount earned by investing $2,500 for 1.5 years, at a simple interest rate of 10% annually is $2875.
Formula is :
F = P(1+rt),
F is the future value,
P is the present value,
r is the interest rate, and
t is the time in years.
F = ($2500)(1+0.1*1.5)
= ($2500)(1.15)
= $2875