Question 735534
9000 = 5000 (1+r/360)^1440
divide both sides by 1000
9=5(1+r/360)^1440
9/5=(1+r/360)^1440
1.8=(1+r/360)^1440
raise both sides by 1/1440
1.8^(1/1440)=1+r/360
1.8^(1/1440)=(360+r)/360
360*1.8^(1/1440)=(360+r)
r=360*1.8^(1/1440)-360