Question

the scale of a map is 1cm : 2km. if the length of Alfreda creek on this map is about 2.85 cm, calculate the actual length of the creek

Answer 1

Explanation:

1cm rep 2km

2.85x2

=5.7

=5.7km

Answer 2

1 cm..............2 km = scale of the map

2,85 cm....... n km = to be calculated

n x 1 = 2 x 2,85

n = 5,7 km