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kumpel [21]
3 years ago
11

HELP PLEASE!! #25-27

Mathematics
1 answer:
SVEN [57.7K]3 years ago
5 0
25. The product of 8 and the difference between a number and 9 is 96. What is the number?
The answer is 13. 
So, 8*(x-9)=96
8*12=96
So, what number minus 9=12? 13.

26. When 12 is added to half the sum of a number and 8, the result is 40. What is the number?
The answer is 40.
12+ (x+8)=40
12 +28=40, so what plus 8 =28? 20. 
20 times 2 is 40.

27. The difference between a number and 5, when multiplied by 3, is 36. What is the number?
The answer <em />is 17.
(x-5)*3=36
12*3=36, so what minus 5=12? 17.
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