Answer:
60
Step-by-step explanation:
Pretty sure it's x=60
0.75x+0.8x+9=101
1.55x+8=101
1.55x=101-8
1.55x=93
and then divide
1. all real numbers
2. y > 0
3. approaches y = 0
C.(5,5,10)
1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, ... 5, 10, 13, 15, 17, 20, 26, 29, 30, 34, 35, ... 25, 50, 75, 100, 150, 169, 175, 200, 225, ...