AC Lim's answer to Lutz's Primary 5 Maths Rate & Ratio Singapore question.

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AC Lim
Ac Lim's answer
12515 answers (A Helpful Person)
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Hope this helps
Lutz
Lutz
1 year ago
Hi can i now $1.60-1m
8-5m (i dont understand this part) thank you
AC Lim
AC Lim
1 year ago
1.60 → 1m³
8.00→ 8÷1.60 = 5m³

Water usage more than 40m³, the rate is 160¢ for every 1m³

After 1st 40m³ for $48, the next $56-48= $8 charge rate is 160¢ for every 1m³ usage.
Lutz
Lutz
1 year ago
Oh i see.. thank you Mr Lim. Now i understand very well. Thank you Mr Lim