Mathematics 0580 · IGCSE · Equations

Equations — practice question

Two different charges are charged for using a bridge. Cars are charged $a. All other vehicles are charged $b. On Monday, 4 cars and 20 other vehicles together pay $130. On Tuesday, 6 cars and 15 other vehicles together pay $105.
(main)[6]

Form two equations and solve them to find the value of a and the value of b.

Worked solution & mark scheme

This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “For Monday, the equation is $4a+20b=130$ oe” …

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