Respuesta :

Answer:

simple interest calculator, simple interest formula, what is simple interest, ... financing will cost you or how much you can earn on an investment. ... Annual Interest Rate ... you must repay not only the amount you borrowed – the principal ... Calculate simple interest (I) by multiplying the principal (p) by the rate

Step-by-step explanation:

Answer:

$18

Step-by-step explanation:

convert 18 months to year(s) and use the simple interest formula

interest=principalxratextime

100