We are given here the individual costs of DVD and CD as well as the total sales and the number of items sold on one day. To solve the number of DVDs and CDs sold each, we devise two independent linear equations:
(1) x + y = 39
(2) 4x + 7y = 204
x- number of DVDs; y - number of CDs
solving, x= 23 DVDs
Answer:
the company should survey every 5th client that makes an appointment.
the company should have a computer randomly generate a list of 200 clients to survey.
Answer:2 hr 30 min
Step-by-step explanation:
Answer:
12 will be the answer I think so
