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MathNet 2018-part-05 — 181 problems (EN–VI) Question 139

Math Olympiad Vault · MathNet 2018-part-05 — 181 problems (EN–VI)

Question 139

For $3~\mathrm{kg}$ of oranges and $5~\mathrm{kg}$ of lemons we pay $8.40~€$ altogether. For $5~\mathrm{kg}$ of oranges and $4~\mathrm{kg}$ of lemons we pay $8.80~€$ altogether. How much do we pay altogether for $2~\mathrm{kg}$ of oranges and $3~\mathrm{kg}$ of lemons?

(A) $7.20~€$
(B) $5.20~€$
(C) $3.60~€$
(D) $5.60~€$
(E) $4.80~€$