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primary 6 | Maths
| Ratio
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Question 3
Date Posted: 4 years ago
Views: 202
nos. in
10 boxes: 30u
1 box: 3u
6 tins: 30u
1 tin: 5u
4 boxes and 1 tin have 68
4 boxes: 3u x 4 = 12u
1 tin: 5u
total = 17u
17u = 68
1u = 4
total 240 tarts
.
.
.
* in case u ask, why 30u ?
it is juz a convenient no. bcos
2 x 3 x 5 = 30
2 x 3 = 6 (= 6 tins)
2 x 5 = 10 (= 10 boxes)
if u dun like 30, u can pick any no. u like. it wld still work fine.
:)
10 boxes: 30u
1 box: 3u
6 tins: 30u
1 tin: 5u
4 boxes and 1 tin have 68
4 boxes: 3u x 4 = 12u
1 tin: 5u
total = 17u
17u = 68
1u = 4
total 240 tarts
.
.
.
* in case u ask, why 30u ?
it is juz a convenient no. bcos
2 x 3 x 5 = 30
2 x 3 = 6 (= 6 tins)
2 x 5 = 10 (= 10 boxes)
if u dun like 30, u can pick any no. u like. it wld still work fine.
:)
See 1 Answer
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Hope it helps
Date Posted:
4 years ago
Thank you
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