Lemma
MediumDecimals & percentages
AQuA-RAT train #84138 · Arithmetic · Decimals & percentages

The actual area of a rectangle is 60 Cm2, but while measuring…

The actual area of a rectangle is 60 Cm2, but while measuring its length a student decreases it by 20% and the breadth increases by 25%. The percentage error in area, calculated by the student is :

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AQuA-RAT — Algebra Question Answering with Rationales (Ling et al., DeepMind, 2017) · train #84138

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