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primary 6 | Maths | Fractions
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Jasper Tay
Jasper Tay

primary 6 chevron_right Maths chevron_right Fractions chevron_right Singapore

Anyone can help me to solve this question.

Thanks

Date Posted: 4 years ago
Views: 279
snell
Snell
4 years ago
before,
total: 15u
watch: 3u
handbag: 10u
left: 2u

after,
total: 2u+171

7 x 15u = 5 x (2u+171)
u = 9

at first, she has 9x15 = $135

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Winson Neo
Winson Neo's answer
19 answers (Tutor Details)
1st
Here's a method that uses algebra.
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Winson Neo
Winson Neo's answer
19 answers (Tutor Details)
Here's a method using models and units :)