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RSB [31]
3 years ago
9

If you add the digits in a two-digit number and multiply the sum by 7, the you get the original number. If you reverse the digit

s in the two digit number, the new number is 18 more than he sum if it’s two digit. What is the original number?
42
24
64
46
36
Mathematics
1 answer:
Serga [27]3 years ago
7 0
Hello!

Since when you multiply the number by 7 you get the original number the number is a multiple of 7

The only number that is a multiple of 7 is 42

The answer is 42

Hope this helps!
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guapka [62]
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And so on. You only need to pick one of those to show as your steps to your teacher. However, doing all three subtractions is a good way to get practice in seeing how we have an arithmetic sequence. The common difference must be the same each time.

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