toottoot's answer to Help's Primary 6 Maths Ratio Singapore question.
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$5 voucher - 1unit
$10 voucher - 3 units
(a) difference = 2 units
2u - $400
1u - $400/ 2
= $200
3u - $200 * 3
= $600
Answer: $600
(b)
Total no of voucher = 3 + 1
= 4 units
4u = $200 * 4
= $800
Answer: $800
$10 voucher - 3 units
(a) difference = 2 units
2u - $400
1u - $400/ 2
= $200
3u - $200 * 3
= $600
Answer: $600
(b)
Total no of voucher = 3 + 1
= 4 units
4u = $200 * 4
= $800
Answer: $800
Date Posted:
4 years ago
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