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Find the value of $x$ if $x$ is positive and $x\cdot\lfloor x\rfloor=70$. Express your answer as a decimal.

Feb 3, 2021

#1
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Hi Guest!

x and floor(x) must be similar, so I'll just do sqrt(70).

sqrt(70) = 8.36660026534

So floor(x) = 8

Meaning that x = 70/8 = 8.75.