the tuition at local community college was $1945 in 1994 and $2266 in 1996. Find the rate at which tuition was increasing

For every 2 years the rate changes by $321.

Therefore, every year the tuition rate changes by $160.5 on average.

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How did you come up with that ans

Okay, take the total number of money for the year 1996, and subtract it from the total amount of money for the year of 1994.

2266-1945= 321

Therefore, the period between those dates was a total of 2 years.

For every 2 years you have $321.

If we want to find the average for every year, just divide the 2 year period into 1 year.

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