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primary 6 | Maths | Geometry
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Terry
Terry

primary 6 chevron_right Maths chevron_right Geometry chevron_right Singapore

H

Date Posted: 2 years ago
Views: 569
Eric Nicholas K
Eric Nicholas K
2 years ago
Because the capacity of each small bottle is 400 ml and that of each big bottle is 600 ml, we can conclude that each big bottle can occupy 200 ml more water than each small bottle.

For every "replacement" of one small bottle to one big bottle, there is an increase in capacity of 200 ml.

If we were to replace four small bottles with four big bottles, the capacity increase would be 800 ml.

Correct?

Do not proceed to the next step if you do not understand the above.

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Because the total capacity of Edwina's bottles is 800 ml more than that of Georgia's bottles, Edwina would have exactly the same number of bottles of each type as Georgia...

...except that four small bottles was "replaced" with four big bottles.

So, Edwina has four more big bottles than Georgia but four fewer small bottles than Georgia.

If Edwina has four more big bottles then Georgia...

...then Edwina would have 16 + 4 = 20 big bottles.

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And then, Georgia would have 5 + 4 = 9 small bottles.

So, Edwina has 5 small bottles and 20 big bottles while Georgia has 9 small bottles and 16 big bottles.

Total capacity of Georgia's small bottles
= 400 x 9
= 3 600 ml

Total capacity of Georgia's big bottles
= 600 x 16
= 9 600 ml

Total capacity of all of Georgia's bottles
= 3 600 + 9 600
= 13 200 ml
= 13 L 200 ml (or 13.2 L)
sstrike
Sstrike
2 years ago
https://ask.manytutors.com/questions/107255

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marcie
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Terry
Terry
2 years ago
Thk you
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sstrike
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similar as 2021 PSLE coin question