Question

population of city is 2800if 40,%Were children find the no.of adults



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Answer 1

Answer:

1680

Step-by-step explanation:

40% of 2800 = 40/100×2800

                       ⇒28×40

                       ⇒1120

the number of children is 1120.

∴ number of adults=total population-population of children

                               = 2800-1120

                               = 1680

Answer 2

Correct Question :

• The population of a city is 2800. If 40% of the population are children, find the no. of adults.

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Given :

• Population of City = 2,800.
• Children = 40%

To find :

• the number of adults.

Solution :

⇒ Let's find the number of children.

→ Children = Population/100 × Percentage of children

= 2800/100 × 40%

= 28/1 × 40

= 28 × 40/1

= 1120/1

= 1120

→ Adults = Population of city - Children

= 2800 - 1120

= 1680

• Therefore, the number of adults is 1680.