Question 1080884
Total=2000(1+(.05/12))^n-1/(0.05/12)
42000=2000(1+(.05/12))^n-1/(0.05/12)
divide by 2000 and multiply by (0.05/12)
0.0875=1.00416667^n-1
1.0875=1.00416667^n
ln both sides
0.0839=n *0.00416
n=20.18 months; 21 months ANSWER
Check with 20 and 21
$41623.63 and $43797.06