Question

A shopkeeper earn a profit of 2 on one marker pen and loss of 1 per erases .
In the month of Jan,he had loss of 5 . In that month,he sold 40 marker pens .how many erases did he sell in month of January

Answer 1

Answer:

Step-by-step explanation:

2 x 40 = 80 ( his total profit in month of jan)

total loss = 5

y = no of erasers

y - 80 = 5

-5 -80 = -y

-85 = -y

minus and minus cancels

85 = y

no of erasers sold is 8

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