At the beginning of the year, Emily had $60 in savings and saved an additional $5 each week thereafter. Addison started the year with $20 and saved $15 every week.
Let E represent the amount of money Emily has saved t weeks after the beginning of
the year and let A represent the amount of money Addison has saved t weeks after
the beginning of the year. Graph each function and determine the amount of money
Emily and Addison have saved in the week that they have the same amount of money
saved.
Click twice to plot each line. Click a line to delete it.
200
190
180
170
140
130
120
110
Total in Savings (Dollars)
% % % % % % % % % R S S 8 & 9
100
O
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Number of Weeks