Riya bought 39 notebooks at ₹12 each and paid ₹468. After taking 20 notebooks for her friend, how many notebooks did she...
Type: MCQ • Marks: 1
Riya bought 39 notebooks at ₹12 each and paid ₹468. After taking 20 notebooks for her friend, how many notebooks did she keep? Frame the equation using a for the number she kept.
Options
A. a ÷ 12 = 468
B. 12(a + 20) = 468
C. 12a + 20 = 468
D. 12a − 20 = 468
Explanation
She kept a and gave away 20, so total notebooks = a + 20. Cost: 12(a + 20) = 468.
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