PROBLEM:
You are writing a paragraph. It is a paragraph you started
yesterday and you are just finishing it off.
You write 6 words, then
rub two words out. You write another 10 words before you make another
mistake and rub out one more word.
You have finished the paragraph. You
count the number of words. There are a total of 30 words. How many words
had you written yesterday? |
Hint 1
Hint 2
Hint 3
Hint 4
Hint 5
Hint
6
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PROBLEM-SOLVING CHALLENGE
#902