Answer :
Final answer:
To determine the teaspoons of a 45% solution needed, set up an equation using the given concentrations, resulting in the answer being 3 teaspoons. the correct answer is C
Explanation:
To find the number of teaspoons needed:
- Let x be the volume of the 45% solution in teaspoons.
- Set up the equation: 0.45x + 0.6(2 - x) = 0.6*2.
- Solve for x, the answer is Option C) 3 teaspoons.