70 pls
maia is comparing the cost for one months usage of two cell phone companies. com...
Mathematics, 12.12.2019 16:31 jfif
70 pls
maia is comparing the cost for one months usage of two cell phone companies. company a charges $40 per month plus $8.50 per gigabyte of data used. company b charges $30 per month plus $10.50 per gigabyte of data used.
part a
graph these costs as a system of equations on the coordinate plane below.
for each line in the system of equations, select two points on the coordinate plane. a line will be drawn through the points you selected.
(graph above)
part b
how many gigabytes of data would have to be used for company a and b to cost the same amount?
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