Task instructions
Solve efficiently and select the best answer. Show your working in the practice workspace.
A value rises from 80 to 92. What is the percentage increase?
A. 15%
B. 12%
C. 18%
D. 20%
Practice workspace
Write notes or your response
02:00
Reveal answer key / expected response
A — 15%
Suggested approach
Translate the statement into mathematical form; compute; check units and reasonableness.
Official-style scoring criteria
Correct result and sound quantitative reasoning.