60t +60 = 80t
subtract 60t from both sides of=
20t = 60
t = 3
The two trains are the same distance from Chicago at 3pm, at that time both trains will have covered 240 miles
sorry i just want some points :)
Answer: 0.2223mL
Step-by-step explanation:
Since the maximum significant figure in question is 4sf, our answer will be converted to 4sf.
Calculating 28.58/16×8.02 = 0.222377
= 0.2223mL to 4 significant figures
To answer the question, let x be the cost of each hamburger, y be the cost of each medium fries, and z be the cost of each medium drink. The equations that are described in the problem are,
(Miller ) 4x + 3y = 18.69
(James) x + 2y + z = 8.66
(Steven) 2x + y + z = 10.27
Solving simultaneously for the values of the variables give x = 3.36, y = 1.75, and z = 1.8.
Thus, each hamburger costs $3.36. Each medium fries cost $1.75, and each drink costs $1.8.
Answer:
1/4Y 
-12
Step-by-step explanation:
