SOLUTION: Amber is thinking of a number. Twice the number increased by 1 is less than 3 times
the number. What is the number?
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Question 559404: Amber is thinking of a number. Twice the number increased by 1 is less than 3 times
the number. What is the number?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Twice the number increased by 1 is less than 3 times the number.
2n + 1 < 3n
2n - 3n < -1
-n < -1
Multiply both sides by -1, this reverses the inequality sign
n > 1
:
The number is greater than 1
;
Check it out with n=2, in the original equation:
2(2) + 1 < 3(2)
5 < 6, which is true
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