Riya bought 20 notebooks at ₹6 each and paid ₹120. After taking 2 notebooks for her friend, how many notebooks did she k...
Type: MCQ • Marks: 1
Riya bought 20 notebooks at ₹6 each and paid ₹120. After taking 2 notebooks for her friend, how many notebooks did she keep? Frame the equation using b for the number she kept.
Options
A. 6b − 2 = 120
B. 6b + 2 = 120
C. b ÷ 6 = 120
D. 6(b + 2) = 120
Explanation
She kept b and gave away 2, so total notebooks = b + 2. Cost: 6(b + 2) = 120.
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Class 7thGanita Prakash 2
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