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Question
primary 6 | Maths
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Can anyone help?
If not by model, can I use algebra or simultaneous to find?
Thks
Date Posted: 4 years ago
Views: 183
total no change
total = 2u+16
E to D
E = 1u+8
D = 1u+8
D to E
E = 1u+8+16+9 = 1u+33
D = 1u+8-16-9 = 1u-17
1u + 33 = 6 parts
1u-17 = 1 part
1u + 33 = 6u - 102
1u = 135/5 = 27
total = 70
.
.
.
total = 2u+16
E to D
E = 1u+8
D = 1u+8
D to E
E = 1u+8+16+9 = 1u+33
D = 1u+8-16-9 = 1u-17
1u + 33 = 6 parts
1u-17 = 1 part
1u + 33 = 6u - 102
1u = 135/5 = 27
total = 70
.
.
.
See 1 Answer
done
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Hope this helps
Date Posted:
4 years ago
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