Answer:
3 hours
Step-by-step explanation:
1
100/100 =
srry if wrong but
hope this helps
take care
10/21
5
7
+
2
3
=
5 × 3
7 × 3
2 × 7
3 × 7
15
21
14
15 + 14
29
1 8
Answer: 43.5%
