Answer:
$1489.10
Step-by-step explanation:
1668.93 x 0.07 - 65
Tax = 116.83
1668.93 - 116.83 - 63
Answer = $1489.10
f(d) = 2900 - 20d
We start with 2,900 and each week 20 is deducted from the account.
3.16
B