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primary 6 | Maths | Data Analysis
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Kris Toh
Kris Toh

primary 6 chevron_right Maths chevron_right Data analysis chevron_right Singapore

Idk how to do this question. Pls answer ASAP!!! Thanks!

Date Posted: 4 years ago
Views: 248
snell
Snell
4 years ago
(a)
total vol. = 35 L
after 4min, vol. = 5 L
fraction = 5/35 = 1/7



(b)
from 4min to 10min, (read graph)
duration = 6 min
vol. increase = 35-5 = 30 L

tap A
4 min = 5 L
1 min = 5/4 L = 1.25 L
6 min = 5/4 x 6 = 7.5 L


tap N
6 min = 30 - 7.5 = 22.5 L
1 min = 22.5/6 L = 3.75 L


In 1 min, 3.75 litres from tap B


...
Kris Toh
Kris Toh
4 years ago
Tap N? Or is it Tap B cuz in the keyboard, letter N and next to letter B so I think that you type wrongly. Btw thank you so much for helping me solving this hard question! :D
snell
Snell
4 years ago
u r welcome

yes, it is tap B, not N
& yes, it is typo error

clever girl! :)
Kris Toh
Kris Toh
4 years ago
Urm I'm a boy not a girl...

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Serine Tan Hui Ling
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