Simple Interest is calculated using the formula: I=P*r*t
P=the principal (amount you start with)
r=percentage of interest earned
t= time in years
21
Step-by-step explanation:
pemdas 4+3=7 then multiply 7×2=14 then add 14 to 21 ehich equals 21
Answer:
Step-by-step explanation:
2+1/2=2.5=3/2
1+5/16=1 5/16=21/16
3/2*21/16=1 31/32