Answer:
8.892
Step-by-step explanation:
15-6.108= 8.892
70 offices
21 ÷ 3 to get amount per floor, 7 per floor, 7 × 10 = 70, 70 offices
3j/3—5/3
J=5/3
hope helps
76.20+q; 76.60Es
good job❤