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MathNet 2015-part-06 — 191 problems (EN–VI) Question 10

Math Olympiad Vault · MathNet 2015-part-06 — 191 problems (EN–VI)

Question 10

If $\frac{20}{3} = \frac{120}{y}$ then $y$ equals
(A) 9
(B) 12
(C) 15
(D) 18
(E) 20