Jocelyn thinks of a number.
She multiplies this number by 7 then subtracts 7.
Her answer is 28. What was Jocelyn's original number?
Jocelyn's friend thinks of a number.
She then does the following operations:
Multiply by 2, subtract 7, multiply by 3 then add 33 (in that order). She finds that the number she ends up with is 9 times her original number.
What was Jocelyn's friend's original number?
Change NumbersEasier Questions
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