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UKMT Junior Kangaroo, 2026

Algebra Difficulty 2.0 Junior Find the answer United Kingdom

A furniture store is selling sofas, love seats and chairs made from two types of identical modular pieces plus a back piece, as shown viewed from above. Including the armrests, the width of the sofa is 220 cm and the width of the love seat is 160 cm. What is the width, in cm, of the chair?

(A) $60$ (B) $80$ (C) $90$ (D) $100$ (E) $120$

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