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09-10-2020
Mathematics

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One number is 4 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 280, find the numbers. The three numbers are:

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09-10-2020

Answer: The first number is 30.

The second number is 120.

The third number is 130

Step-by-step explanation:

x + 4x + x+ 100 = 280

6x = 280-100

6x= 180

x = 30

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