Multiple choice

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?

  1. $\displaystyle\frac{1}{4}$
  2. $\displaystyle\frac{1}{2}$
  3. $\displaystyle\frac{3}{4}$
  4. $1$
  5. $2$
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The ratio is 5:4:1, total parts = 10. Salt is 1/10 of the total weight. For 5 pounds of dough, salt = 5 * (1/10) = 0.5 pounds.

AI explanation

The total ratio parts for the dough mixture are 5 + 4 + 1 = 10. To find the required weight of salt for 5 pounds of dough, use the proportion of salt which is 1/10. Therefore, the weight of salt needed is 5 multiplied by 1/10, equaling 1/2 pounds.