A plumber charges £40 for a call out, and an extra £18 for every hour. How long did a job that cost £130 take? The formula for this plumber's charge is: \(T = £60 + £20 \times h\) where \(T\) is the ...
Algebra is part of maths where we use letters to represent unknown values or values that can change. Simplify algebraic terms Algebraic expressions can be simplified by gathering like terms. Like ...
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