A holiday resort has rectangular-shaped pools, including a swimming pool for adults and a wading pool for children. The two pools are similar in shape and have dimensions, in meters, as shown in the figure below.

What is the value, in meters, of x?

3

5

7

9

Question

A holiday resort has rectangular-shaped pools, including a swimming pool for adults and a wading pool for children. The two pools are similar in shape and have dimensions, in meters, as shown in the figure below.



What is the value, in meters, of x?

 3

 5

 7

 9

anonymous · Answer

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anonymous · Answer

Answer: 3 

Seeing the picture, you can substitute 3 for x, and then multiply to solve the proportion.

5 x 18 = 90
3 x 30 = 90