Poplar shadow

The nine-meter poplar casts a shadow 16.2 m long. How long does a shadow cast by Peter at the same time if it is 1.4 m high?

Correct answer:

x =  2.52 m

Step-by-step explanation:

 9:16.2 = 1.4 :x  x=1.4 916.2=2563 m=2.52 m

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