The ratio of rock songs to pop songs on Lydia's playlist is 2 : 3. If she has a total of 50 rock songs on her playlist, how many pop songs are on her playlist?

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x

$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