Answer:
-2
Step-by-step explanation:
-2-2/1-(-1)
=-4/2
=-2
1. C.Conditional
2. A.Hypothesis
Answer:
middle brother = x
older brother = x+1
younger brother = x-1
x-1+x+x+1=129
3x+0=129
3x=129
x = 43(middle brother)
43-1 = 42(younger brother)
43+1 = 44(elder brother)
Check:
43-1+43+43+1=129
42+43+44=129
129=129
To increase an amount by11% you need ro Multiple by 1.11