Answer:
Jackson 13.75%
Henri 15.3%
Step-by-step explanation:
Interest = principal x rate x year
Jackson
$2750 = $20,000 x rate x 1
divide both sides by $20,000
rate = 0.1375 = 13.75%
Henri
$2295 = $15,000 x rate x 1
divide both sides by $15,000
Rate = 0.153 = 15.3%