a. 5 pens cost * 20. Find the cost of 8 pens and then 15 pens,
Answers
Answered by
1
20/5=4
so,1pen= ₹4
8×4=32 and 15×4= 60
Answered by
1
Answer:
The cost of 8 pens is 32 .
The cost of 15 pens is 60 .
Step-by-step explanation:
Given information,
the cost of 5 pens is 20
We have to find out the cost of 8 pens and 15 pens
As,
The cost of 5 pens = 20
The cost of 1 pen =
The cost of 1 Pen
By dividing 20 by 5 we get
The cost of 1 pen = 4
The cost of 8 pens = The cost of 1 pen × 8
The cost of 8 pens =
The cost of 8 pens =
The cost of 15 pens = The cost of 1 pen × 15
The cost of 8 pens =
The cost of 8 pens =
Hence,
The cost of 8 pens is 32 .
The cost of 15 pens is 60 .
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