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primary 6 | Maths
| Measurement
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Date Posted: 2 years ago
Views: 206
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160 x 2 =320
Assume that number of boys is 8
8 x 145=1160
10 x148 = 1480
1480 - 1160 = 320 ( to check )
Answer : 8
Use guess and check method of assume method
Assume that number of boys is 8
8 x 145=1160
10 x148 = 1480
1480 - 1160 = 320 ( to check )
Answer : 8
Use guess and check method of assume method
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