Advanced Mathematics Primary 3 Multiplication and Division

Ahmad packs 157 cookies into boxes of 9. How many full boxes does he fill? How many cookies are left over?

A 17 boxes, 4 left over
B 17 boxes, 7 left over
C 16 boxes, 13 left over
D 18 boxes, 5 left over
Show Worked Solution

Worked Solution

Step 1: Divide 157 by 9. 157 ÷ 9 = 17 remainder ? Step 2: Find 17 × 9 = 153. Step 3: Remainder = 157 − 153 = 4. Answer: 17 full boxes, 4 cookies left over.

Correct answer: 17 boxes, 4 left over

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