The price of a cake plus a 17% delivery charge comes to a total cost of $21.06$⁢ what was the price of the cake?

1.15x = 17.25

x = 17.25/1.15 = 15

($15)

$4034.40

the perimeter of the field is the sum of the lengths of the four sides:

47 yd + 158 yd + 47 yd + 158 yd = 410 yd

the cost of 3 ft (1 yd) of fence is 3×$3.28 = $9.84.

so the cost of jake's wood perimeter fance is

(410 yd) × ($9.84 /yd) = $4034.40