SOLUTION: Write and solve this inequality The student Council of Rivermore High School is adversting its annual garage sale in a local newspaper. The first three lines of the ad cost $2

Algebra ->  Inequalities -> SOLUTION: Write and solve this inequality The student Council of Rivermore High School is adversting its annual garage sale in a local newspaper. The first three lines of the ad cost $2       Log On


   

Question 492228: Write and solve this inequality
The student Council of Rivermore High School is adversting its annual garage sale in a local newspaper. The first three lines of the ad cost $2 per line. After that the fee is $0.30 per word. The council memebers know that they will need more than three lines. How many additonal words can they use if they are to stay within their budget of $15 for the ad?
Answer by lwsshak3(11628) About Me  (Show Source):
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Write and solve this inequality
The student Council of Rivermore High School is adversting its annual garage sale in a local newspaper. The first three lines of the ad cost $2 per line. After that the fee is $0.30 per word. The council members know that they will need more than three lines. How many additonal words can they use if they are to stay within their budget of $15 for the ad?
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Use the standard form of an equation for a straight line: y=mx+b
For given problem:
y=budget of $15
x=additional words to stay within budget
m=$0.30/word
b=$2 (y-intercept)
Equation:
.3x+2≤15
.3x≤15-2=13
x≤13/.3
x≤43-1/3
ans:
They can use 43 additonal words if they are to stay within their budget of $15