Find the distance, d,across the river. Assume that the ratio of d to 90ft is the same as the ratio of 100ft to 50ft

Answer 1

d/90 = 100/500

Solve for d.

Answer 2

2+2=x

Answer 3

18

Answer 4

Find the distance d. Assume that the ratio of d to 90 ft is the same as the ratio of 50 ft to 30 ft.