Taylor can complete 5 math problems in 45 seconds. Assuming Taylor works at a constant rate on all math problems, how many math problems can Taylor complete in 1 and a half minutes? 3 minutes? 27 seconds?

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49.82%

Step-by-step explanation:

The expression used in determining the compound interest is as follows:

where;

A = amount = ???

P = Principal = 6400

r = interest rate = 6.9% = 0.069

n = number of times the interest is compounded = 12

t = time = 10

A = $12,734.59

This typically implies that the total amount required by Ursula to be paid = $12,734.59.

The finance charge = $12,734.59 - $6400

= $6344.59

To determine the percentage of the finance cost; we have the following:

$12,734.59 = 100%

$6344.59  = x %

x =

x = 49.82%