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Edgar Knight
Mathematics
22 July, 12:20
Eight times the sum of 9 and some number is 192.
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Jagger Barry
22 July, 12:27
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15
Step-by-step explanation:
To solve this, divide 192 by 8:
192/9 = 24
Subtract 9 from 24:
24 - 9 = 15
Therefore, 8 times the sum of 9 and 15 is 192
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Humberto
22 July, 12:35
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8 times (9+x) = 192 where x = "that" certain number.
Multiplying the left side through by 8 gives
72+8x=192
8x = 192-72
8x = 120
Since were finding 8, 8 divides the 120 giving 15
Hence, x (that certain number) = 15.
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