. Jenna and her friend, Khalil, are having a contest to see who can save the most money. Jenna has already saved $110 and every week she saves an additional $20. Khalil has already saved $80 and every week he saves an additional $25. Let x represent the number of weeks and y represent the total amount of money saved.

Question

.  Jenna and her friend, Khalil, are having a contest to see who can save the most money. Jenna has already saved $110 and every week she saves an additional $20. Khalil has already saved $80 and every week he saves an additional $25. Let x represent the number of weeks and y represent the total amount of money saved.

anonymous · Answer

is there any answer choices

mathmale · Answer

Let x be the number of weeks that pass.  Jenna starts with $110 and adds $20 every week.  Write the appropriate equation using x as your variable.

Do the same for Khalil.  He starts with $80 and saves an add'l $25 per week.  Write the appropriate equation.  

Graph the two equations.  Do they ever cross?  If so, at what x-value do they cross?