Question

David buys 2 DVDs and 2 CDs in a shop and in total they cost €18.
Ellie buys 3 DVDs and 2 CDs in the same shop and they cost €22.
Form two equations and solve to find the cost of each DVD and each CD.​

Answer 1

Answer:

Cost of DvD is €4 and CD is €5

Step-by-step explanation:

Let the DvD be x and CD be y

$2x + 2y = 18$

$3x + 2y = 22$

$x = 4$

$y = 5$

Hope it helps you!

Answer 2

Answer:

cost of 1 DVD =4€

cost of 1 CD = 5 €