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Function Machines

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Question 7

A rule to calculate the cooking time in minutes for a joint of meat is:

Multiply the weight in kilograms (kg\text{kg}kg) by 40 then add 25

a.

A joint of meat weighs 3.5 kg.

Work out the cooking time, in minutes.

[2]
b.

The cooking time for a different joint of meat is 105 minutes.

Work out the weight of this joint of meat, in kilograms (kg\text{kg}kg).

[2]
Markscheme

Function Machines Questions

  1. GCSE
  2. /Maths
  3. /Function Machines

84 exam-style questions on CCEA GCSE Maths Function Machines. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank