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:
The larger integer is
.
Step-by-step explanation:
Given: Two times the smaller of two consecutive integers is equal to
more than the larger.
To find: The larger integer.
Solution:
Let the two consecutive integers be
and
, where the smaller integer is
and larger integer is
.
Now, according to question.
Two times the smaller integer
more than the larger integer.



So, the smaller integer is
, and the larger integer is 
Hence, the larger integer is 
Answer:
you will have to get the graph :\
Step-by-step explanation:
sorry
Answer is in the photo. I can only upload it to a file hosting service. link below!
tinyurl.com/wpazsebu