Question 8 — IGCSE 0580 May/June 2024 Paper 42
Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Algebra · Inequalities. Worth 11 marks.
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Question text
8 A baker decorates x small cakes and y large cakes.
In one day, he decorates:
• not more than 16 small cakes
• less than 10 large cakes
• more small cakes than large cakes
• a total of not more than 24 cakes.
One of the inequalities that shows this information is x G 16.
(a) Write down the other three inequalities in x and/or y.
....................... ....................... ....................... [3]
(b) On the grid, draw four straight lines and shade the unwanted regions to show these inequalities.
Label the region, R, which satisfies the four inequalities.
y
26
24
22
20
18
16
14
12
10
8
6
4
2
x
0 2 4 6 8 10 12 14 16 18 20 22 24 26
[6]
© UCLES 2024 0580/42/M/J/24
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(c) The baker earns $8 for decorating a small cake and $12 for decorating a large cake.
Use your diagram to find the largest amount the baker can earn in one day by decorating cakes.
$ ................................................ [2]
© UCLES 2024 0580/42/M/J/24 [Turn over
16
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