I think, you just find a number that could be divided by or divided for.
Answer:
$342
Step-by-step explanation:
370+310+380+340+310=1710
1710/5=342
Answer:
x=18
Step-by-step explanation:
all the interior angles in a pentagon = 540. use to interior angle theorem. then just add all the angles up and make them = to 540 like this: 540=95+90+(7x-4)+(3x+23)+(9x-6). then solve using algebra