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General Mathematics · Unit 1 · Consumer arithmetic · Applications of rates, percentages and use of spreadsheets

Calculate weekly, fortnightly or monthly wages from an annual salary, and wages from an hourly rate, including situations involving overtime and other allowances and earnings based on commission or piecework.

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Question 1

A warehouse worker earns an annual salary of $58,240. Calculate their fortnightly wage.

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Question 2

A retail sales assistant is paid a base hourly rate of $28.40 with time-and-a-half for the first 4 hours of overtime per week and double-time thereafter. The assistant also receives a commission of 2.5% on all sales above $8,000 per week. Refer to the table below showing the assistant's work and sales data for a particular week. Calculate the assistant's total wage for this week.

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