In an NTUC FairPrice survey, Group A (4 shoppers) spent an average of $68 each. Group B (6 shoppers) spent an average of $78 each. What was the average amount spent per shopper for all 10 shoppers combined?
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Worked Solution
Step 1: Find the total amount spent by Group A: 4 × $68 = $272.
Step 2: Find the total amount spent by Group B: 6 × $78 = $468.
Step 3: Find the combined total for all 10 shoppers: $272 + $468 = $740.
Step 4: Divide by the total number of shoppers: $740 ÷ 10 = $74.
Final answer: Average amount spent per shopper = $74
Answer: $74
Correct answer: $74
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