Question

if 7 pencil cost you rupees 6 more than 5 pencils then find the cost of 10 pencils

Answer 1

Answer:

30 rupees

Step-by-step explanation:

7p-5p=6

2p=6

p=3

10p=10*3

10p=30

Answer 2

Answer:

30

Step-by-step explanation:

let say 1 pencile cost is x

so 7 pencils cost is 7x and 5 pencils cost 5x

Now,

7x=6+5x

or, 7x-5x=6

or, 2x=6

or, x=3

Hence, cost of ten pencils is = 10 x 3 = 30