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3 years ago

F/6 = 2.5 f equals what

Mathematics

2 answers:

Nikitich [7]3 years ago

8 0

Since f is divided by 6 multiply both sides by 6 to cancel this out.

(f/6)*6=2.5*6
f= 2.5*6
f=15.0

Final answer: f=15

MA_775_DIABLO [31]3 years ago

3 0

Multiply f/6 by 6 to get f by itself
f=2.5 ×6
f= 15

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GREYUIT [131]

1.
12 liters of 26% acid solution contain $26\% \times 12=0.26 \times 12=3.12$ liters of acid.
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The third solution is made from the two mixed solution so its volume is $12+x$ , and the volume of acid in it is $0.4x+3.12$ . Its concentration is 33% or 0.33.
The concentration of a solution is the volume of the solution divide by the volume of acid in it.

$\frac{0.4x+3.12}{12+x}=0.33 \\ 0.4x+3.12=0.33(12+x) \\ 0.4x+3.12=3.96+0.33x \\
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2.
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$\frac{0.4x+1.92}{12+x}=0.32 \\
0.4x+1.92=0.32(12+x) \\
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