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The number is 6. (6 + 1) x 3 = 21 - 6 = 15

Q: If 1 is added to a number and the sum is tripled the result is 15 more than the number The number is?

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That would be -4 .

300

sum

50

They make a rational number.

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3(X + 3) = X + 23 3X + 9 = X +23 2X = 14 X = 7

28

That would be -4 .

22

300

There are over 70,000 computers that are made every day. If you include in tablets, cell phones and other appliances that are similar, that number is more than tripled!

they added more life boats to boat regulations

It depends on ur # let's just say it was 1 then u do this :1 times 3=3+5=8 if original #=1 answer I s 8

it means adding that much more value to the original number

It will be lowered with the result that the steel becomes more brittle.

The engine will produce more exhaust.

sum