waec model questions vol1 2023 mathematics
Objective • Question 12
Question 12
WAEC_MODEL_QUESTIONS_VOL1
•
2023
In a mixture of water and alcohol, the mass of alcohol is three‑eighths of the total mass. If 250 g of water is added, the percentage of alcohol in the mixture becomes 30 %. What was the original total mass of the mixture (in grams)?
Answer Options
Correct Answer
A.
1000
B.
1200
C.
1500
D.
800
Correct Answer
A
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