5
Answer: CSet 2: Linear Inequalities (Advanced)
Explanation
PROBLEM
A recipe needs at least 500ml. Jug A holds 150ml, Jug B holds 100ml. Minimum fills if using 2 from A?
A recipe needs at least 500ml. Jug A holds 150ml, Jug B holds 100ml. Minimum fills if using 2 from A?
A.
3
B.
4
C.✓ Correct
2
D.
1
Detailed Explanation
Choice C is the best answer. 2(150) + 100b >= 500. 100b >= 200, b >= 2
Why others are wrong:
A: 3 is incorrect because it does not satisfy the equation.
B: 4 is incorrect because it does not satisfy the equation.
D: 1 is incorrect because it does not satisfy the equation.