Answer:
-21.5
Step-by-step explanation:
1_ 0/4. ( if toss a coin twice, we won't have three results)
2_ 0/4
3_ 3/4
4_ 3/4
5 _ 1/4
6_ 1/4
good luck
200+40=240
each train cost 10
take 240/10=24trains
First one C second one D sorry if I’m wrong
Step-by-step explanation: the answer is x = 1/2