In a sale, normal prices are reduced by $$\(30 \%\)$$ The sale price of a T-shirt was 31.50 euros. (b) Work out the normal price of the T-shirt. euros (3)
Exam No：4MA1_1FR_que_20201104 Year：2020 Question No：21(b)
Answer:
Knowledge points:
1: Numbers and the number system
Solution:
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