Step-by-step explanation:
Simple interest=(principal×rate×time) /100
principal = $4500 rate = 5.5% time = 4 1/2
S.I = (4500 × 5.5 × 4 1/2) / 100
= 111375/100
1113.75
Therefore, simple interest is $1113.75
Hope it helps. Brainliest please.