IMC 2019 Q9
9. What is the value of \(\big(7 - 6 \times (-5)\big) - 4 \times (-3) \div (-2)\)?
- A −17
- B −11
- C 31
- D 37
- E 43
Intermediate Mathematical Challenge 2019, Question 9. © UK Mathematics Trust. Original paper on ukmt.org.uk
Answer: C 31
The value of \((7 - 6 \times (-5)) - 4 \times (-3) \div (-2) = 7 + 30 + 12 \div (-2) = 37 + (-6) = 31\).
Solution © UK Mathematics Trust, from the IMC 2019 solutions. Longer versions with investigations: Solutions and investigations (PDF).