Question) Provider A charges a fixed rate of $18 per month and 6.89c per gas used. Provider B charges a fixed rate of $27 per month and 5.23c per gas used. Compare these two providers(provider A and provider B) with explantion and working out (a) Make an equation to calculate the cost for each provider (A&B) (b) Plot cost vs Gas usage graphs for both providers in a single chart with Excel (c) Determine for what gas usage each provider is cheaper. Use graph and algebraic manipulation to show this.

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