Task instructions
Solve efficiently and select the best answer. Show your working in the practice workspace.
A score of 80 counts 40% and 90 counts 60%. What is the weighted score?
A. 86
B. 84
C. 85
D. 88
Practice workspace
Write notes or your response
02:00
Reveal answer key / expected response
A — 86
Suggested approach
Translate the statement into mathematical form; compute; check units and reasonableness.
Official-style scoring criteria
Correct result and sound quantitative reasoning.