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Term 1 · Weeks 1–2 · Earning Money and Percentages

Standard problem

Standard

A worker earns ₱645 for an 8-hour day. Overtime is paid at 125% of the hourly rate. How much is earned for 3 hours of overtime? Round to the nearest centavo.

Show step-by-step solution

Answer: 302.34 ₱

  1. Hourly rate: 645÷8=80.625645 \div 8 = 80.625.
  2. Overtime rate: 80.625×1.25=100.7812580.625 \times 1.25 = 100.78125.
  3. 3 hours: 100.78125×3≈302.34100.78125 \times 3 \approx 302.34 pesos.

Common errors to watch for

  • Using 25% of the hourly rate (₱60.47) instead of 125%.

Budget of Work competencies

  • gm11.t1.w1.c1
    Calculate weekly or monthly wages from an annual salary, wages from an hourly rate, including situations involving overtime and other allowances, and earnings based on commission or piecework.

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