Riya bought 32 notebooks at ₹4 each and paid ₹128. After taking 15 notebooks for her friend, how many notebooks did she...
Type: MCQ • Marks: 1
Riya bought 32 notebooks at ₹4 each and paid ₹128. After taking 15 notebooks for her friend, how many notebooks did she keep? Frame the equation using a for the number she kept.
Options
A. 4a − 15 = 128
B. 4a + 15 = 128
C. 4(a + 15) = 128
D. a ÷ 4 = 128
Explanation
She kept a and gave away 15, so total notebooks = a + 15. Cost: 4(a + 15) = 128.
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Class 7thGanita Prakash 2
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