If 4 times an integer x is increased by 10, the result is always greater than 18 and less than 34. What is the least value of x?
Created: 6 years ago |
Updated: 10 months ago
best des
18< 4x+10 < 34
If x=2 then 4x+10=18 ≯18
If x=3 then 4x+10=22 which 18<22<34
If x=4 then 4x+10=26 which 18<26<34
If x=5 then 4x+10=30 which 18<30<34
But here 22<26<30
So 3 is the least value.
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