Answer:D.54
Step-by-step explanation: it takes 20 minutes in the car which is 1/3 of an hr so 42/3= 14 then that leaves 40 minutes left for the train which is 2/3 of 60 and 60/3=20 and 20x2= 40 so 40+14=54
Her first step should be to factor the equation by splitting down the middle
Hope this helps!
Answer:
1 oz of chips has 140 mg of sodium, and 1 cup of soda has 40 mg of sodium.
Step-by-step explanation:
This question is solved by a system of equations.
I am going to say that:
x is the amount of sodium in 1oz of chips.
y is the amount of sodium in 1 cup of soda.
Bryan ate 4 oz of chips and drank 1 cup of soda for a total of 600mg of sodium.
This means that
, also 
Jadyn ate 1 oz of chips and drank 4 cups of soda for a total of 300mg of sodium.
This means that:

From the first equation, we have that
. So






1 oz of chips has 140 mg of sodium, and 1 cup of soda has 40 mg of sodium.
Please view my other solution I gave you.
:)
But I will still answer this if you see it.
Because 0.8^x is never 0, then the asymptote is 0-10 or -10.