Answer:
13. x=6, Q=31, R=118, S=31
14. x=15, KL=95, LM=68, KM=68
15. x=3, XY=18, YZ=18, XZ=7
Step-by-step explanation:
I hope this helps,
80d:1t
320mi:4h
80mi:1h
Every hour the train travels 80 miles
5^9
4.196.754
god bless stay safe po