During a 3-day book fair, Sembawang Primary School sold 4 285 books on Friday. On Saturday, the school sold 658 fewer books than on Friday. On Sunday, the school sold 1 094 more books than on Saturday. How many books did the school sell over the three days altogether?
Show Worked Solution
Worked Solution
Step 1: Find the books sold on Saturday.
Saturday = 4 285 − 658 = 3 627 books.
Step 2: Find the books sold on Sunday (anchored to Saturday).
Sunday = 3 627 + 1 094 = 4 721 books.
Step 3: Find the total over the three days.
Total = 4 285 + 3 627 + 4 721 = 12 633 books.
Answer: 12 633
Correct answer: 12 633
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