# The house sparrows population has decreased by 41% since 1977. the population is now approximately 6.5

The house sparrows population has decreased by 41% since 1977. the population is now approximately 6.5 million pairs of birds. what was the estimated sparrow population in 1977?

## This Post Has 3 Comments

1. Expert says:

step-by-step explanation:

just multiply it

2. emily9656 says:

Let x be estimated population in 1977

x - 0.41x  = 6,500,000
x = (6,500,000 / 0.59