Question 1118649
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(1) As one of the tutors who responded to your question pointed out, it would be a good idea, when you are asking for help with a problem, to take the time to present the problem clearly.  Getting your message across with as few characters as possible is good on Twitter; it is not appropriate when you are submitting a question to this forum.<br>
(2) If you look closely at the work from the other tutor, you will find there is an arithmetic error somewhere, leading to an incorrect answer.<br>
I'm guessing that tutor will see this response and correct the error....