Proportion 5684

I think the number. If I reduce it three times, increase the proportion by 5/6 and decrease the sum 0.5 times, I get 2 1/7. What's the number?

Correct answer:

c =  0.7143

Step-by-step explanation:


(c/3 + 5/6) / 0.5 = 2+1/7

28c = 20


c = 20/28 = 0.71428571

c = 5/7 ≈ 0.714286

Our simple equation calculator calculates it.



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