hanacat6174
20.09.2020 •
Mathematics
A number is Multiplied by 3 and 5 is added. If one half of the new nummber is 16, what was the first number
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Ответ:
Step-by-step explanation:
The original number is x.
The new number is 3x + 5.
We know that 0.5(3x + 5) = 16, so 3x + 5 = 32.
3x + 5 = 32, 3x = 27, x = 9.
Hence the original number is 9.
Ответ:
5
step-by-step explanation: