SOLUTION: Marco is 150 cm tall he and he cast a shadow that is 320 cm long the billboard for this his school cast a shadow that is 630 cm long how tall is the sign

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Question 1005073: Marco is 150 cm tall he and he cast a shadow that is 320 cm long the billboard for this his school cast a shadow that is 630 cm long how tall is the sign
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
You can write this as a proportion:
150%2F320+=+x%2F630%29
Now multiply by 630 and get
x = 295.3 cm