Find the value of x, then use that value to determine each angle measure of the triangles below.

x =8

The angles are

3x= 24

7x+4 =  60

13x-8 =96

Step-by-step explanation:

The sum of the angles of the triangle is 180

3x+ 7x+4  + 13x-8  =180

Combine like terms

23x -4 = 180

Add 4 to each side

23x -4+4 =180+4

23x =184

Divide by 23

23x/23 = 184/23

x =8

The angles are

3x= 3*8 =24

7x+4 = 7*8+4 = 56+4 = 60

13x-8 = 13*8-8 =104-8=96

answer: for each 3 girls there is 2 boys . 3: 2

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$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