SOLUTION: rebecca wants to place an ad to sell her old dollhouse. there is a fee of $8 plus $0.20 per word to show the ad in the local newspaper. There is a fee of $10 plus $0.15 per word to

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Question 1012785: rebecca wants to place an ad to sell her old dollhouse. there is a fee of $8 plus $0.20 per word to show the ad in the local newspaper. There is a fee of $10 plus $0.15 per word to place it on an online site. For what number of words will the total cost be the same in the newspaper and online?
write a system of equations. Define x and y

solve for x

solve for y

for what number of words will the total cost be the same? what would the cost be?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
.
y=total cost; x=number of words
.
For newspaper:
y=$8+$0.20x
.
For online:
y=$10+$0.15x
.
The same:
$8+0.20x=$10+$0.15x
$0.05x=$2
x=40
.
ANSWER: The costs will be the same for 40 words.