Answer:
$135
Step-by-step explanation:
Given data
Principal= $1,500
Time= 18 months = 1.5 years
Rate= 6%
The formula for simple interest is given as
SI= PRT/100
Substiute
SI= 1500*6*1.5/100
SI= 13500/100
SI= $135
Hence the simple interest after 18months(1.5 years) is $135
