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Representing algorithms

Representing algorithms

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Question 2

A catering company uses an automated algorithm to calculate the booking cost for private events based on the number of guests and the travel distance to the venue.

Algorithm

guests ← USERINPUT
travelDistance ← USERINPUT
setupFee ← 120
IF guests > 150 THEN
    baseCost ← guests * 15
ELSE
    IF guests ≥ 80 THEN
        baseCost ← guests * 18
    ELSE
        baseCost ← guests * 25
    ENDIF
ENDIF
totalCost ← baseCost + (travelDistance * 4)
IF totalCost < 1000 THEN
    totalCost ← totalCost + setupFee
ENDIF
OUTPUT totalCost

Trace Table

Complete the table below to show the outputs for each set of input values.

Input value for guestsInput value for travelDistanceOutput
15050
3040
20015
[3]
Markscheme

Representing algorithms Questions

  1. GCSE
  2. /Computer Science
  3. /Representing algorithms

208 exam-style questions on AQA GCSE Computer Science Representing algorithms. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank