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Please help! Quick! Problem: Matt and Tikka thought of the same number. Matt added 7 to that number and then doubled the result. He got 26. Tikka did the same operations with th…
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Please help! Quick! Problem: Matt and Tikka thought of the same number. Matt added 7 to that number and then doubled the result. He got 26. Tikka did the same operations with th…
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Jul 18, 2018
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Please help! Quick!
Problem:
Matt and Tikka thought of the same number. Matt added 7 to that number and then doubled the result. He got 26. Tikka did the same operations with their number, but in reverse order. What did she get?
Please SHOW ALL YOUR WORK! (P.S. please show your work clearly, because I will need it for other problems! Thanks!)
Mathematics
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Ropeladder
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So first, you would take half of 26 since Matt doubled the result giving you 13. Then, subtract 7 which is 6.
For Tikka she did the opposite so take the 6, double it making 12, and then add 7 to get 19.
So the answer would be 19.
Kkangil
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Jul 21, 2018
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First we need to find the number they started with.
(x+7)*2=26
Solve for x
x+7=13
x=6
To do the operations in reverse, we double it first and then add 7.
6*2=12
12+7=19
Final answer: 19
Samir Tendulkar
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Jul 24, 2018
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