Challenge 7

Read the articles and watch the videos:

Biography

Greta Thumber

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1) How old will Greta be in 2030?

2) According to the video, Greta says: "Our house will become in..."

Change  that word by the sum of its number according to the table at the end of this page.

3)The secret number will be formed by 4 numbers: Greta's age in 2030 and the addition of the value of the numbers in the second question.
The result has 4 numbers: _ _ _ _