Budgets

Task goals

• Calculate the amount left in a budget after subtracting one or more expenses from income.
• Find a weekly, monthly, or per-person/per-week rate by dividing a total budget or cost.
• Find a percentage of a budget for one spending category, and read a spending percentage from a pie chart.
• Calculate a new amount after a budget is increased or decreased by a given percentage, including reversing a discount or GST addition to find an original price.
• Reason about surplus or deficit when comparing planned spending (including percentage-based and ratio-based splits) against a budget or income.