Question

cost of a bok is 4 times the cost of a pen. if the cost of a book is Rs 120, what is the cost of a pen​

Answer 1

Answer:

the cost of a pen is 30 rupees

Answer 2

Step-by-step explanation:

Let cost of book be x

Then cost of pen= 4x........ (i)

x = 120

Substituting x in (i)

Cost of pen= 4×120= Rs 480

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