Question

6) The length of three pieces of wire are 6 m 80 cm.
18 m 26 cm and 12 m 65 cm. What is the average
length of a piece of wire?
(a) 12 m 57 cm
(b) 12 m 40 cm
(c) 10 m 50 cm
(d) 11 m 35 cm​

Answer 1

Answer:

Step-by-step explanation:

Total length = 36m 171cm

= 37m 71 cm = 3700 + 71 cm = 3771cm

Number of wires = 3

Average length = 3771/3

Average length = 1257 cm

= 12 m 57 cm

(a)

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Answer 2

Answer:

(a) 12 m 57 cm

Step-by-step explanation:

The length of three pieces of wire:

6 m 80 cm,

18 m 26 cm,

12 m 65 cm,

average  = (6 m 80 cm + 18 m 26 cm + 12 m 65 cm)/3= 12 m 57 cm

Correct option is: (a) 12 m 57 cm