Question

4) Cost of 1 dozen note books is rupees 186. Find the cost of 9 note book​

Answer 1

Answer:

139.5

Step-by-step explanation:

1 dozen = 12 pieces

12 notebooks= 186

1 notebook = 186/12

1 notebook= 15.5

Cost of 9 notebooks = 15.5*9

= 139.5

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Answer 2

₹ 139.5

Step-by-step explanation:

Question:⤵️⤵️⤵️

4) Cost of 1 dozen note books is rupees 186. Find the cost of 9 note book?

Solution:⤵️⤵️⤵️

Cost of 1 dozen note books is = ₹ 186

Cost of 1 book is = ₹ 186÷12

= ₹ 15.5

Therefore,

Cost of 9 note books is = ₹ 15.5 × 9

= ₹ 139.5

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