Question

please this question step by step QUESTION IS IN THE IMAGE

Answer 1

The answer will be 350

Step-by-step explanation:

A bought 10 pens-150

B bought 15 pens-200

C bought 20 pens-??

200+150

Rs.350 Answer

Answer 2

Step-by-step explanation:

Friend A bought pens =10

and spent =₹150

Friend B boght pens =15

and spent =₹200

Friend C bought pens=20

and spent = x

therefore, 10+15+20 = ₹150+200+x

30 = ₹350x-15

10 = ₹235x

x = ₹235÷10

x = ₹23.5

thus, cost of one pen=₹23.5

so,Friend C spent money = 20×₹23.5

=₹470