Advanced Mathematics Primary 4 Multiplication and Division

Siti bakes 5 trays of pandan cookies for a school fair. Each tray holds 48 cookies. She packs the cookies into boxes of 7 to sell. Any cookies that are left over after packing are given away free. How many boxes of cookies does Siti sell?

A 30
B 34
C 35
D 40
Show Worked Solution

Worked Solution

Step 1: Find the total number of cookies. 5 × 48 = 240 cookies Step 2: Divide into boxes of 7. 240 ÷ 7 = 34 remainder 2 (Check: 7 × 34 = 238; 238 + 2 = 240 ✓) Step 3: Only complete boxes are sold. Leftover cookies = 2 (given away free) Answer: Siti sells 34 boxes of cookies.

Correct answer: 34

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