Answer:
$300
Explanation:
1.automobile insurance : $700 semiannual premium
Annual premium = $700×2=$1400
2.
Health insurance :$145 per month
Annual premium= $145×12=$1740
3. Life insurance: $450 annual
Total annual premium
$1400+$1740+$450=$3590
Hence his monthly expenses on premium =

=$299.16
=$300 Approximately