Answer:
123.1 pounds is vary long, and I don't want to repeat, so 55.8372207 repeat.
Step-by-step explanation:
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Volume of a pyramid is
V=lwh÷3
=(4·5·6)÷3
=40
10.4
Let the number be x
Sum of x and -3.2 : x + (-3.2) = x - 3.2
1/4 times the sum of a number and −3.2 = (1/4) * (x - 3.2)
x = 10.4
-4 > n
x=2, y=16
x+y=18
y=8x
x+8x=18
x=2
y=16