IGCSE /Grade 10
Maths MCQ Based On Writing linear functions to solve word problems
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IGCSE Grade 10 Maths Writing linear functions to solve word problems
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let the first number be x
Consider the fixed cost component (per day charge) and the variable cost component (per mile charge) when writing the linear function for the total cost.
Consider the fixed cost (daily rate) and the variable cost (additional cost per person) when writing the linear function for the total cost.
Substitute the given value of P into the equation and solve for C.
Consider the base fee (fixed cost) and the additional charge per mile (variable cost) when writing the linear function for the total cost.
Substitute the given value of t into the equation and solve for y.
Let Jia' s age be x and Joy's age be x + 10
Let three consecutive even numbers be x-2, x , x+2
Consider the fixed cost component (first hour charge) and the variable cost component (additional hour charge) when writing the linear function for the total cost.
Rearrange the equation to isolate the variable y and solve for its value.
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