Respuesta :

Answer:

102.6cm

Step-by-step explanation:

Length of line=2.5x+1.3x=3.8x----(1)

1.3x=35.1

x=35.1/1.3=27

Substitute x in (1)

Length of line=3.8x=3.8×27=102.6cm

Answer:

102.5cm

Step-by-step explanation:

The smaller part = 1.3

The bigger part = 2.5

Ratio = 2.5/1.3

The goal is to get either the denominator or the numerator to equal one.

In this case I'll make the denominator equal one by multiplying it by its inverse

- 1.3 * 1/1.3

I'll do the same to the numerator to make the resulting ratio, equal to the original

- 2.5 * 1/1.3

The resulting ratio will be 1.92:1

Meaning the bigger part of the line is 1.92 * the smaller part

The smaller part is 35.1cm, so the bigger part would be 35.1cm * 1.92 = 67.4cm

The length of the line = bigger part + the smaller part

» length of the line= 67.4cm + 35.1cm = 102.5cm.

Answer: 102.5cm.

I hope I explained it well

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