Question

cost of 6 pen=90 what is cost of 7 pens?​

Answer 1

Answer:

given:

cost of 6 pens = 90

to find:

cost of 7 pens= ?

first we need to find the cost of 1 pen.

cost of 1 pen = cost of 6 pens/ no. of pens.

= 90/6

= 15 rupees

therefore cost of 7 pens = cost of 1 pen × 7

= 15×7

= 105 rupees

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Answer 2

Step-by-step explanation:

Let the cost of pen

One pen cost will be =90/6

15

Now cost of 7 pen will be 15*7

105