-1 < x < x < 0
-3 < x < 3
0 ≤ x < 18
15 < x < 18
Correct answer is C
Total distance covered by Musa in 2 hrs
= x + 10 + 5x
= 6x + 10
Ngozi = 118 km
If they are equal, 6x + 10 = 118
but 6x + 10 < 118
6x < 108
= x < 18
0 < x < 18 = 0 ≤ x < 18
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