Answer:
The faster train goes 60mph
Step-by-step explanation:
s= speed
s+20 is the faster train.
Then you are given:
200/s+s+20=2
200=2*(2s+20)
4s+40=200
4s=160
s=40 is the slower train
40+20= speed of faster one
s=60 ;)
Answer:
1/16 chance that it will land on 16 because there are 16 faces
Answer:
the 4 is the base and the 5 is the exponent
7^2 is the exponential form of 7*7
10^2
5^4
Answer:
11
Step-by-step explanation: