- A-22
- B-20
- C-18
- D-40
Step-by-Step Solution
Total = 4×(-45) + 2×(30) = -180 + 60 = -120. Average = (-120) ÷ 6 = -20 per week.
Answer: B) -20
A trader's account shows changes over 6 weeks. In 4 weeks the change was -45 each week and in 2 weeks the change was +30 each week.
Find the average weekly change in the account over the 6 weeks.
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