The number of DVDs sold at a store in a month was 930 and the number of DVDs sold decreased by 12 per month. The number of Blu-ray discs sold in the same store in the same month was 512 and the number of
Blu-ray discs sold increased by 26 per month Let d represent the number of discs sold and represent the
d-930 - 127
The system of equations
d=512 +267
can be used to represent this situation
time in months
If this trend continues, how many months will the number of DV's sold equal the number of Blu-ray discs
sold? How many of each is sold in that month?
There will be
DVDs and Blu-Ray discs sold per month in
months.