Drewivy0203
contestada

I'm so lost Dx

Justin is considering two websites for downloading music.The costs are detailed here.

Website 1: a yearly fee of $30 and $1.50 for each download

Website 2: $2 for each download

What is a system of equations to represent the costs for one year?

Express your equations in the form of y=mx+by=mx+b where x is the number of downloads for the year and y is the total cost for the year.

Respuesta :

nahannah
website 1 : y = 1.50x + 30
website 2 : y = 2x + 0

y = 4x - 4
y = -4x + 4

4x - 4 = -4x + 4
4x + 4x = 4 + 4
8x = 8
x = 1

y = 4x - 4
y = 4(1) - 4
y = 4 - 4
y = 0

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