Answer:
the width of the lake on the scale drawing is 12.5 cm
Explanation:
Scale drawing of a lake
1 cm = 80 m
the actual size of the given lake is 1000 m.
width of the lake on the scale drawing will be equal to
1 cm = 80 m
1 m =

1000 m =

= 12.5 cm
hence, the width of the lake on the scale drawing is 12.5 cm