When a certain number is doubled and then decreased by 9, the result is not more than 19. Find the range of values of the number

Question

asked Sep 25, 2024 197k views

1 Answer

Stackich · Answer 1 · 2024-10-02T10:32:49+0000

Answer:

The number must be at most 10.

If the number is doubled and then decreased by 9, the result is 2x - 9.

2x - 9 ≤ 19

2x ≤ 28

x ≤ 14

Therefore, the range of values of the number is 0 to 10.