Answer:
$20,000
Step-by-step explanation:
if he invests 20000 he will get 5% of that each year, 5% of 20000=1000 meaning he will have a 1000 yearly interest rate
b
3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45
