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Question
primary 5 | Maths
| Whole Numbers
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hi pls help solve without g&c and algebra ty.
Date Posted: 3 years ago
Views: 746
Use listing method.
×9→9→18→27→36→45→54→63→72→81
-5→4 →13→22→31→40→49→58→67→76
×8→ 8→16→24→32→40→48→56→64→72
+4→12→20→28→36→44→52→60→68→76
Answer = 76
×9→9→18→27→36→45→54→63→72→81
-5→4 →13→22→31→40→49→58→67→76
×8→ 8→16→24→32→40→48→56→64→72
+4→12→20→28→36→44→52→60→68→76
Answer = 76
Let the group = u
9u -5 = 8u+4
1u= 9
Answer = 9u-5 = 9×9-5 = 76
Or
8×9+4 = 76
9u -5 = 8u+4
1u= 9
Answer = 9u-5 = 9×9-5 = 76
Or
8×9+4 = 76
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thanks!
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