- A-108
- B-216
- C-118
- D-98
Step-by-Step Solution
A loss of 12 rupees is −12. For 9 items: 9 × (−12) = −108. Total loss is represented by −108 rupees.
Answer: A) -108
A shopkeeper in Pune loses 12 rupees on each of 9 items sold at a discount. What integer represents his total loss in rupees?
Class 7Integers (Extended)Integers
Key idea: Dividing integers
The sign rule for division is **the same as for multiplication**: same signs → positive, different signs → negative.
12 ÷ 4 = 3
(−12) ÷ (−4) = 3
12 ÷ (−4) = −3
(−12) ÷ 4 = −3
Also: integer ÷ 1 = the integer; integer ÷ itself = 1; **never divide by 0** — division by zero is undefined.
12 ÷ 4 = 3
(−12) ÷ (−4) = 3
12 ÷ (−4) = −3
(−12) ÷ 4 = −3
Also: integer ÷ 1 = the integer; integer ÷ itself = 1; **never divide by 0** — division by zero is undefined.
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