At summer camp the ratio of boys to girls was 5 to 4. If there were 40 boys, how many girls were there?
2 answers:
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Answer:
<h2>11x - y = -79</h2>Step-by-step explanation:
The standard form of an equation of a line:
The point-slope form of an equation of a line:
m - slope
(x₁, y₁) - point
We have the points (-7, 2) and (-8, -9). Substitute:
Convert to the standard form:
<em>use the distributive property </em>a(b + c) = ab + ac
<em>add 2 to both sides</em>
<em>subtract 11x from both sides</em>
<em>change the signs</em>