4notebook+7pen =115 4notebook+2pen=90 what is the cost for 1notebookad1pen Question 4notebook+7pen =1154notebook+2pen=90what is the cost for 1notebookad1pen in progress 0 Math Amaya 4 weeks 2021-08-17T15:14:03+00:00 2021-08-17T15:14:03+00:00 2 Answers 0 views 0

## Answers ( )

Answer:NOTEBOOK= N

PEN= P

7 P= 115-4N

P=115-4N/7……….1

4N=90-2P

N=90-2P/4

PUT IN EQUATION 1

P=115-4*90-2P/4/7

Step-by-step explanation:I THINK IT WILL HELP YOU

Answer:20 notebook 5 pen maybe