Question

please give the answer please​

Answer 1

Answer:

a) Simple interest = 128

b) simple interest = 12600

Step-by-step explanation:

Simple interest = (P x R x T )/ 100

a)  P = 640 , R = 10% , T = 2 years

S.I.  = (640 x 10 x 2)/ 100

       =  64 x 2

S.I.  =  128

b) P = 10000, R = 18% , T = 7 years

S.I.  = (10000 x 18 x 7)/100

       = 100 x 18 x 7

       =  12600