Question

The population of Brownsville, Texas increased by 41 thousand

people from 1990 to 2000. In 2000, the population of Brownsville
was 140 thousand people. Write an equation to find the population
of Brownsville in 1990. Then use mental math to solve the equation.

Answer 1

P = 140,000 - 41,000

P = 99,000

The population of Brownsville in 1990 was 99,000 people.