Math
posted by Crystal
In 1990, the population of Cheyenne, Wyoming, was 73,142. By 2000, the population had increased to 81,607. Write and solve an equation to find, the increase in Cheyenne’s population from 1990 to 2000.
Mercury’s surface temperature has a range of 600 digress. This range is the broadest of any planet in the solar system. Given that the lowest temperature on Mercury’s surface is _ 173 degree. Write and solve an equation to find the highest temperature.

Steve
increase = 81607  73142
max = 173 + 600
Respond to this Question
Similar Questions

Math
The population of Bumpton increased by 10% from 1980 to 1990 and decreased by 10% from 1990 to 2000 what is the net percent change in the population on Bumpton from 1980 to 2000 ? 
Geometry
From 1989 to 1990, the population of Nevada increased by 1.59 × 105, and that of Maine increased by 28000. In 1990, the population of Nevada was 1206152, and that of Maine was 1233223. If the populations of the two states continue … 
math
In 1980, the population of a certain country was about 161 000. since then the population has decreased about 1% per year. a. find an equation to model the population since 1980 b. estimate the population in 1990 c. suppose the current … 
6th grade Math
I need some help figuring out how to work the word problem below. It says in 2000, the population of the United States was 280 million people. Between 1990 and 2000, the population grew by about 12%. What was the US population in 1990? 
Math
The population of Winnemucca Nevada can be modeled by P=6191(1.04)^t where t is the number of years since 1990. What was the population in 1990? 
math
the population of a town was 50000 in 1990. in 2000 it rose to 80000. find the percentage increase of the population. 
Math
The population of a city has been decreasing exponentially since 1990. In 1990, the population was 1,000,000. In 2010, the population was 560,000. If t represents time in years since 1990, which of the following equations best models … 
Math
From 1980 to 1990 the population of London increased by 6%. From 1990 to 2000, the population of the city decrease by 3%. What was the overall percentage change in the population of London from 1980 to 2000? 
Math1
The population of Winnemucca, Nevada , can be modeled by P=6191(1.040^t where t is the number of years since 1990. What was the population in 1990? 
PreCalc
You know the population of your nation was 151 million in 1990 and 173 million in 2000. Use the model f(t) = P e^rt to model your nation’s population t years after 1990. Using the correct rate of population growth, predict the year …