- A80
- B70
- C90
- D60
Step-by-Step Solution
Store S = 160 + 140 + 100 = 400; Store R = 90 + 110 + 130 = 330; difference = 400 - 330 = 70.
Answer: B) 70
Laptops sold (units) — Store P: Jan 120, Feb 150, Mar 180; Store Q: Jan 200, Feb 160, Mar 240; Store R: Jan 90, Feb 110, Mar 130; Store S: Jan 160, Feb 140, Mar 100. What is the difference between the total three-month sales of Store S and Store R?
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