SOLUTION: An angle of a right-angled triangle is 5x°-60°, where x > 12. Fing the greatest number of x?

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Question 858605: An angle of a right-angled triangle is 5x°-60°, where x > 12. Fing the greatest number of x?
Answer by LinnW(1048) About Me  (Show Source):
You can put this solution on YOUR website!
5x -60 must be less than 90 degrees.
The reason is that the three angles of a triangle
must total 180.
5x - 60 < 90
add 60 to each side
5x < 90 + 60
5x < 150
divide each side by 5
x < 30
so 12 < x < 30