Question

a shopkeeper earns a profit of $1 by selling a pencil and incurs a loss of your 20 paise by selling an eraser.
1. In a given day, he incurs an overall loss of $ 10. On this day, he sold 35 pencils. How many erasers were sold on this day.
2. Next day, he earned a profit of $ 25 .On this day, he sold 100 erasers. How many pencils did he sell. ​

Answer 1

2x-3=-4x+4

Step-by-step explanation: