Mrs Tan had 4y4y boxes of tarts. Each box contained 15 tarts. She sold 2 boxes of tarts. Given y=8y = 8, how many tarts were left unsold? Ans: ___

Letters represent numbersMixed operations with integers中文
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Worked solution

30

1. Find the initial number of boxes by substituting $y = 8$

Initial number of boxes =4y=4(8)=32= 4y = 4(8) = 32

2. Find the number of boxes left unsold

Number of boxes left =32−2=30= 32 - 2 = 30

3. Calculate the total number of tarts left unsold

Number of tarts left =30×15=450= 30 \times 15 = 450

Answer

450450

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