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Hien ThiTypewriter45:9=5; 5x4=20
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Hien ThiTypewritercircle's area: 7x7x22/7=
Hien ThiTypewriter154
Hien ThiTypewriter7x7:2=
Hien ThiTypewriter24.5
Hien ThiTypewritertriangle's area:
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Hien ThiTypewriterthe shaded area: 154-24.5=129.5
Hien ThiTypewriterchocolate: 180o=1/2strawberry to chocolate ratio:1/3:1/2=2/3raisin sold: 1-(1/2+1/3)=1/6
Hien ThiTypewriterTotal cakes sold: 40x6=240
Hien ThiTypewriter1/2
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Hien ThiTypewriter240
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