Solve the problem by combining like terms.
-A triangle has sides of length 9a + 11 inches, 13a + 16b inches, and 18b + 20 inches. What is the perimeter of the triangle?
A) $22 a + 34 b + 31$ inches
B) $22 a + 16 b + 31$ inches
C) $56 a b + 31$ inches
D) $22 a + 34 b + 20$ inches

Question

Solve the problem by combining like terms.
-A triangle has sides of length 9a + 11 inches, 13a + 16b inches, and 18b + 20 inches. What is the perimeter of the triangle? 
A) $22 a + 34 b + 31$ inches
B) $22 a + 16 b + 31$ inches
C) $56 a b + 31$ inches
D) $22 a + 34 b + 20$ inches

Quizplus · Accepted Answer

The perimeter of the triangle is found by adding the lengths of its sides: $9a + 11$ inches + $13a + 16b$ inches + $18b + 20$ inches = $22a + 34b + 31$ inches.

Solve the Problem by Combining Like Terms 22a+34b+3122 a + 34 b + 3122a+34b+31

Solve the Problem by Combining Like Terms $22 a + 34 b + 31$