The perimeter of the triangle is 40 units.Which of the following equations could be used to find the value of x?

Question

asked Oct 2, 2021 229k views

1 Answer

Ezekg · Answer 1 · 2021-10-05T16:32:33+0000

Answer:

13x + 112 = 320.

Explanation:

The perimeter is the sum of the 3 sides:

1/2 x + 3/8 x + 11 + 3/4 x + 3 = 40

1/2 x + 3/8 x + 3/4 x + 3 + 11 = 40

1/2 x + 3/8 x + 3/4 x + 14 = 40

Multiply through by 8 to remove the fractions:

4x + 3x + 6x + 14 = 40

13x + 112 = 320.