question_answer

(a) A green grocer had a profit of Rs 47 on Monday, a loss of Rs 12 on Tuesday and loss of Rs 8 on Wednesday.

Find his net profit or loss in 3 days.

(b) What is the additive inverse for integers?

Answer:

(a) Profit is taken with positive sign and loss with negative sign,

Monday = + Rs 47

Tuesday = ? Rs 12

Wednesday = ? Rs 8

Net profit or loss = Rs (47 ? 12 ? 8)

= + Rs 27

∴ Net profit of Rs 27 in three days.

(b) zero