IGCSE MATHEMATICS 0580/42/O/N/20 Q5

Question

5 Ahmed sells different types of cake in his shop.
The cost of each cake depends on its type and its size.
Every small cake costs $x and every large cake costs $(2x + 1).
(a) The total cost of 3 small lemon cakes and 2 large lemon cakes is $12.36 .
Find the cost of a small lemon cake.
(b) The cost of 18 small chocolate cakes is the same as the cost of 7 large chocolate cakes.Find the cost of a small chocolate cake.
(c) The number of small cherry cakes that can be bought for $4 is the same as the number of large cherry cakes that can be bought for $13.Find the cost of a small cherry cake.
(d) Petra spends $20 on small coffee cakes and $10 on large coffee cakes.The total number of cakes is 45.Write an equation in terms of x.Solve this equation to find the cost of a small coffee cake.Show all your working.

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    2021-03-27T15:43:26+08:00

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