jerry7792
31.07.2019 •
Mathematics
The sum of three numbers is 855. one of the numbers, x, is 50% more than the sum of the other two numbers. what is the value of x
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Ответ:
x = 1.5(y + z)
substituting for (y+z) in the 2nd equation
x = 1.5(855 - x)
x = 1282.5 - 1.5x
x + 1.5x = 1282.5
2.5x = 1282.5
x = 1282.5 ÷ 2.5
x = 513.
513.
Ответ:
uhhh idk
Step-by-step explanation:
just google for now