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2 answers:
The y-intercept (where x = 0) of the equation is at -20.
For every 60 the x runs, the y falls by -10. Use rise over run to determine the slope of the equation.
Slope-intercept form is determined by the following equation:
m is your slope, and b is your y-intercept.
Plug the slope and y-intercept into the equation.
For every 60 the x runs, the y falls by -10. Use rise over run to determine the slope of the equation.
Slope-intercept form is determined by the following equation:
m is your slope, and b is your y-intercept.
Plug the slope and y-intercept into the equation.
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Check the attached file for the solution.
Let's assume
the price of each train ticket is x
we are given
total number of family members =5
so, total cost of ticket = total number of family members*the price of each ticket
so, total cost of ticket =5*x
so, total cost of ticket =5x
now, we have
each family member buys a boxed lunch for $6.50
so, total cost of lunch box = total number of family members*price of each lunch box
so, total cost of lunch box = 5*6.50
total cost of trip = total cost of ticket+total cost of lunch box
we are given
total cost of trip is $248.50
now, we can plug values
and we get
now, we can solve for x
so,
the price of each train ticket is $43.2..........Answer