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:
4x(x+2)
Step-by-step explanation:
Answer:
-4,15 -14,5 6,5
Step-by-step explanation:
Answer:
x = 15
Step-by-step explanation:
isolate the variable by dividing each side by the factors that don’t contain the variable
I think it is because they are both different differences
