Question

a certain sum amount to four times the principal within a period of 2 years . the rate of simple intrest per annum is​

Answer 1

Answer:

Step-by-step explanation:

PRT/100+P=AMOUNT

X*R*2/100+X=4X

X*R/50=4X-X

X*R/50=3X

X*R/50*3=X

150=X/X*R

150=R

Rate is 150%

Answer 2

Answer:

150% is the answer hello