Practice

Practise until it sticks

Choose a topic, a skill or a difficulty. Calculation exercises have new versions with fresh numbers once you have solved them, so you can practise the method rather than memorise an answer.

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Application, difficulty 1 of 3

Read the department bar chart

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The bar chart in the lesson shows how many of the 600 employees work in each department. What percentage of employees work in Operations? Use the salaries dataset (or the chart's data table) and give the answer to 1 decimal place.

Data: salaries · Open in the lab to explore and calculate.