Question detail
exam warm-up: a bag has 1 blue counters and 7 red counters. Find the probability of choosing a blue counter.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Solving equations and inequalities
Question
- A. 0.125
- B. 1.125
- C. -0.875
- D. 0.25
Answer
The correct answer is 0.125.
Explanation
The locked answer is 0.125. Work through the given values, keep one operation per line, and check the final step reaches 0.125.
Common mistake
Algebraic modelling common mistake 1
Writing a final answer without showing the method that justifies it. This can weaken answers for: [Higher only] Derive and solve two simultaneous equations from a contextual problem..
Show the method first, then give the final answer in the required form. Apply this directly to Algebraic modelling.
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