Solved IB ACIO Question
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Q · Mathematical Operationsmedium · 45s
If + means –, – means ×, × means ÷, ÷ means +, evaluate: 26 – 18 × 9 ÷ 3 + 11
TopicMathematical Operations
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.25
Test Duration30 min
Step-by-Step Solution
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Every step explained — no skipped algebra.
Replace: + with –, – with ×, × with ÷, ÷ with +. Expression: 26 × 18 ÷ 9 + 3 – 11. Calculate: 26 × 18 = 468; 468 ÷ 9 = 52; 52 + 3 – 11 = 44.
Final Answer: Option A — 44