Question

Flour, water, and salt are mixed by weight in the ratio of $5:4:1$, respectively, to produce a certain type of dough. In order to make $5$ pounds of this dough, what weight of salt, in pounds, is required?

• A. $\frac{1}{4}$
• B. $\frac{1}{2}$
• C. $\frac{3}{4}$
• D. $1$

Answer 1

Answer: (B)

$\frac{1}{2}$

Let $x$ be the weight of salt in pounds.

If the ratio of the weight is $5:4:1$.

Therefore, $5$ pounds of dough $5x+4x+x=10x$

$5$ pounds $=$ $10x$

$x=\frac{1}{2}$ pounds

Therefore the weight of the salt is $\frac{1}{2}$ pounds.

Hence, option B is correct.