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Multiple Choice A chemist mixes 10 liters of a $20 \%$ solution with $x$ liters of a $35 \%$ solution. Which of the following expressions represents the total number of liters in the mixture?(a) $x$(b) $20-x$(c) $\frac{35}{x}$(d) $10+x$
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A chemist mixes 10 liters of a $20 \%$ solution with $x$ liters of a $35 \%$ solution. Which of the following expressions represents the total number of liters in the mixture? $$ \begin{array}{llll}{\text { (a) } x} & {\text { (b) } 20-x} & {\text { (c) } \frac{35}{x}} & {\text { (d) } 10+x}\end{array} $$
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A chemist mixes 10 liters of a $20 \%$ solution with $x$ liters of a $35 \%$ solution. Which of the following expressions represents the total number of liters in the mixture? (a) $x$ (b) $20-x$ (c) $\frac{35}{x}$ (d) $10+x$
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