Answer:
The total interest he will be charged is $37.45.
Explanation:
Chargers 17% interest on any charges not paid at the end of the month.
Charge of 1,630.58
$1,410.28 paid.
$1,630.58 - $1,410.28 = $220.30 unpaid
So, 17% will be charged the 220.30 unpaid.
0.17*220.30 = 37.45
The total interest he will be charged is $37.45.