The answer would be 782 because you would round down.
-149 would be your answer
Answer:
Step-by-step explanation:
Total interior angles in a triangle=180 degrees
That is: 3x + 10 + 5x - 1 + x =180
9x+9=180
9x=180-9
9x=171
x=171/9
x=19
Therefore
Angle A =67 degrees
Angle B= 94 degrees
Angle C = 19 degrees
You have to multiply the number of people times the number of cookies they are each supposed to get
So, 28 x 3 = 84 cookies