(2x+4)+(4x+2)+(2x-1)=180
8x+5=180°
8x=180-5
8x=175
X=21.875
A= 2(21.875)+4=47.75
B=4(21.875)+2 =89.5
C=2(21.875)-1=42.75
Answer:
78.40
Step-by-step explanation:
Take 9.80 and times it by 8 to get 78.40
Answer:
The property that I would use is that however many decimal points are in the equation is the number of decimal places in the answer
Step-by-step explanation:
Multiply 22 by 12 and ge tthe answer
