Question

Meghan sells advertisements for a radio station. Each 30 second ad costs $20 per play, and each 60 second ad
costs $35 per play. Meghan sold 12 ads for $315. She wrote the system below letting x represent the number of 30
second ads and y represent the number of 60 second ads.
X+ y = 12
20x+35y = 315
What is the solution to the system of equations?

Need answers ASAP!!!!

Answer 1

Answer:

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Answer 2

Answer:

$(x,y)=(7,5)$

Step-by-step explanation:

Megan's equation will be:

$20x+35y=315$

$x+y=12$

Substitute $x=12-y$ in the first equation:

$20(12-y)+35y=315$

$15y=75$

$y=75/15$

$y=5$

Find x:

$x=12-5$

$x=7$

Where x and y represent 30-second and 60-second ads sold, we find that Meghan's sales were:

$(x,y)=(7,5)$

hope this helps....