Question

Cost of 1 pen is Rs x and that of 1 pencil is Rs y. Cost of 2 pens and 3 pencils together is Rs 18. Draw the graph for the same.

please answer fast I need it urgently.

Answer 1

Answer:

Three things are required in proper combination before ignition and combustion can take place---Heat, Oxygen and Fuel. There must be Fuel to burn. There must be Air to supply oxygen. There must be Heat

Answer 2

Answer:

Cost of one pen =Rs.x

Therefore cost of 3 pens=Rs.3x

Cost of one pencil=Rs.y

Therefore cost of 2 pencils =Rs.2y

Then according to question 3x+2y=Rs.34