farsule786
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the population of blackbirds in a park is counted every year.
the population decreases by 24% to 323
what was the original population?

Respuesta :

Answer:

the original population was 425

Step-by-step explanation:

Hi1315

Answer:

425

Step-by-step explanation:

Let the original population of blackbirds be x.

Original population              decreases by                   New population

          100                                     24                                       76

            x                                        24                                     323

Now we can make an expression like this.

100  ⇒  76

x     ⇒   323

And now let us use cross multiplication and solve for x.

Let us solve it now.

323 × 100 = 76x

32300 = 76x

425=  x

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