An elevator descends into a mine shaft at the rate of 6 meters per minute. If the deses are from 10 m above the ground level how long will it take to reach - 350 m

expression #3 is not equivalent. the others are.

$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