<PRE><B>Question 50335</B>
The number of married couples in the United States in 1995 was 53.9 million. Im 2000, the number of married couples grew to 55.3 million. Write a linear equation that gives the number of married couples in terms of the year. Let x represent the year with x=5 corresponding to 1995.

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You are given two points and asked to find the equation.
Points are (5,53.9) and (10,55.3)
You want y=mx+b and need to find m and b.
m=[55.3-53.9]/[10-5]
=1.4/5=0.28
Using (5,53.9)and m=0.28 you can solve for b as follows:
53.9=(0.28)(5)+b
b=52.5
EQUATION:
y=0.28x+52.5

Cheers,
Stan H.
</PRE>