Question

subtract 2m 8mm from 8m 9cm

Answer 1

answer is 6m. 1 cm is it OK

Answer 2

Answer:

Width of picture = 60cm

Length of picture = 1.8m=180cm

Perimeter of the picture ⟹2×(length+breadth)

⟹2×(180+60)cm=2×240cm=480cm

Ratio=Perimeter of picturewidth of picture=48060=81=1:8