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Question
Raya bought some kilograms of rice. She ate 12 kg of rice per month for 3 months. After 3 months, she had 15 kg rice left. How much rice had Raya bought?
Raya bought some kilograms of rice. She ate 12 kg of rice per month for 3 months. After 3 months, she had 15 kg rice left. How much rice had Raya bought?
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Solution
The correct option is D 51 kg
Let the kilograms of rice Raya bought be y.
She ate (12)(3) = 36 kg of rice in 3 months.
Thus, y - 36 = 15
Solving, y = 15 + 36 = 51 kg.
Hence, Raya had bought 51 kg of rice.
51 kg
Let the kilograms of rice Raya bought be y.
She ate (12)(3) = 36 kg of rice in 3 months.
Thus, y - 36 = 15
Solving, y = 15 + 36 = 51 kg.
Hence, Raya had bought 51 kg of rice.
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