Let s be the slow train, and s+22 be the faster one. Then:
976/s+s+22=4
976=8s+88
8s=888
s=111 kph as the slower train
s+22=133 kph as the faster train
☺☺☺☺
Answer:
Step-by-step explanation:
Average rate equals the negative of delta concentration of reactants
Step-by-step explanation:
estimation of 6$+_+_?_!(_