Question

1) If 30 pens cost Rs.750. How many pens will cost Rs. 1000?​

Answer 1

Step-by-step explanation:

let the cost of one pen be x

then

30x = 750

x = 25

cost of one pen is 25

now condition 2..

let the total pen be y

25y = 1000

y = 40 pens

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