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primary 6 | Maths
| Percentage
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Date Posted: 4 years ago
Views: 234
12) Divide figure to 16 small triangle.
Total of shaded triangle =3
% shaded = 3/16 x 100% = 18.75%
13) Dog = 70%
cat = 30%
When dog sold 20
Dog = 60%
Cat = 40%
Notice cat are remains unchanged
Therefore, for cat 30/70 = 40/60
120/280 = 120/180
simplified => 12/28 = 12/18
Dog reduce from 28u to 18u
So, 10u = 20
1u = 2
Dog at 1st = 28u
= 28 x 2
=56 dogs at 1st.
Hope this helps
Total of shaded triangle =3
% shaded = 3/16 x 100% = 18.75%
13) Dog = 70%
cat = 30%
When dog sold 20
Dog = 60%
Cat = 40%
Notice cat are remains unchanged
Therefore, for cat 30/70 = 40/60
120/280 = 120/180
simplified => 12/28 = 12/18
Dog reduce from 28u to 18u
So, 10u = 20
1u = 2
Dog at 1st = 28u
= 28 x 2
=56 dogs at 1st.
Hope this helps
See 1 Answer
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Hope this helps
Date Posted:
4 years ago
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