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
y = 16 CDs
Answer:
X = 5
Step-by-step explanation:
28 = 7x + 3 - 2x
28 = 5x + 3
28 - 3 = 5x + 3 - 3
25 = 5x
25/5 = 5x/5
X = 5
9 feet is the answer can I please get brainless I never had it before
Answer:
It´s -12
Step-by-step explanation:
Its -12 because the two lengths are the same, so the sum must be the same. -12+25 is 13, so we should get 13 on the top as well. 2*-12 is -24. -24+29 is 5. and 5+8=13. 13 = 13.
