a loan of 4000 was repaid at the end of 10 months with a check for 4270. what annual rate of intreste was charged.

2 answers

4270=4000(1+i)^10/12

take the log of each side

log 4270=log4000+ 10/12 log(1+i)
find log(1+i)=??
then take the antilog, solve for i.
TRAP is a trapezoid and XY is the median find the length of TP

R A is 22.6
x Y is 45.36
T P