Describe 6648

Images of three numbers are marked on the number line: 0, m, 3m-1. The marked pieces are the same length.

a) express the ratio m:(3m-1)
b) mark and describe the image of the number 1 on the number line.

Correct answer:

r =  0.625
x =  0.1429

Step-by-step explanation:

m=5 x 3 m1=8 x  m5x=0 3m8x=1  Pivot:Row1Row2 3m8x=1 m5x=0  Row231 Row1Row2 3m8x=1 2.33x=0.33  x=2.333333330.33333333=0.14285714 m=31+8x=31+8 0.14285714=0.71428571  m=750.714286 x=710.142857  r=m/(3 m1)=0.7143/(3 0.71431)=85=0.625

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