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(15) ? Is this correct or am I missing something, thanks :)

(15) ? Is this correct or am I missing something, thanks :)-example-1

1 Answer

7 votes
You are correct!

Step 1:Write what you know
Madeline's Height: 6 ftMadeline's Shadow: 108 in
Friend's Height: X (we use X as a variable because his height is unknown)Friend's Shadow: 108 in - 1.5 ft 108 in - 18 in 90 in
Step 2:Set up proportions
6 x----- = -----108 90
Step 3:Cross Multiply & Solve
108x = 540x = 5 ft tall

User Jemlifathi
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