$1725 with 15% markup what’s the new price

Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0

How many grams the dog will eat in 3 days?

Express -5 2/5 as an improper fraction.