Work out .
Answer and explanation
Correct answer: C. 20
- Step 1: Do the multiplication and division first (BIDMAS): and .
- Step 2: Now add and subtract from left to right: .
Answer
20.
Why not the others: 14.5: This works strictly left to right (, , , ), ignoring that multiplication and division come first. 26: This adds the from instead of subtracting it. 17: This subtracts and forgets to divide it by .
Practise more Number.
Free questions with an explanation for every one, and full timed GCSE English and Maths Resits (Grade 4) mock tests.