is the cost of 15 pens is 105 rupees what will be the cost of 24 such pens
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Simple unitary method
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The cost of 24 pens is 168 RS
Step-by-step explanation:
The cost of 15 pens is 105 RS
The cost of 24 pens will be x
15/24=105/x
Thus x = 105x24÷ 15
x = 168
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