Question #676dc

1 Answer
Nov 16, 2017

15 cm

Explanation:

1 m 35 cm = 135 cm, 6 m = 600 cm, 4 m 50 cm = 450 cm and 2 m 40 cm = 240 cm.

Factors of 135 cm = 3 x 5 x 3 x 3 cm.

Factors of 600 cm = 3 x 5 x 2 x 2 x 2 x 5 cm

Factors of 450 cm = 3 x 5 x 3 x 2 x 5 cm

Factors of 240 cm = 3 x 5 x 2 x 2 x 2 x 2 cm

Highest Common factors of the above is 3 x 5 = 15 cm

The greatest length of the scale is 15 cm.