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primary 6 | Maths | Fractions
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liang liang
Liang Liang

primary 6 chevron_right Maths chevron_right Fractions chevron_right Singapore

Pls help, thanks.

Date Posted: 3 years ago
Views: 177

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Let cost of apple tart be x and cost of blueberry tarts be y.

7x + 12y =51.80
5x = 2y

Solving this,
7x + 30x = $51.80
X = $1.40
Y = $3.50

Remaining apple tarts: 21-7=14
Remaining blueberry tarts: 30-12=18

14*$1.40 + 18*$3.50 = $82.60

She needs $82.60 more to buy the remaining tarts.
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Yao Shian
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