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Question
primary 6 | Maths
| Fractions
2 Answers Below
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Pls explain to me....
Date Posted: 4 years ago
Views: 241
Average = 65
6÷2=3
E=65-3
= 62
B=65+3
=68
Why +3? : When B gives E 3 marks they will have equal number of marks. Cause When B removed 3, the difference will become 6-3=3, and when E gains another 3, the difference is 3-3=0
Check: 68-62=6 ✔
62+68=130✔
130÷2=65✔
6÷2=3
E=65-3
= 62
B=65+3
=68
Why +3? : When B gives E 3 marks they will have equal number of marks. Cause When B removed 3, the difference will become 6-3=3, and when E gains another 3, the difference is 3-3=0
Check: 68-62=6 ✔
62+68=130✔
130÷2=65✔
See 2 Answers
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