Question

Ok I need help this is due in 5 minutes

Answer 1

Image 1: Previous population = 53466

Image 2: Original price is $575

Image 3: Percentage decrease is 45%

Image 4: Percentage increase is 2.49%

Image 5:

a) Percentage of Savings= 11%

b) Percentage of Insurance = 3%

c) Percentage of Food =14%

Step-by-step explanation:

Image 1:

The population of a city has increased by 33%since it was last measured. If the current population is 79800 then what was the previous population

Current population= 79800

Increased in population: 33%

Previous population= ?

We will find 33% of 79800 i.e

$=\frac{33}{100}*79800\\=26334$

So, previous population is: Subtract 26334 from 79800

Previous population = 79800-26334

Previous population =53466

Image 2:

A sofa is being sold for $437. This is a 24% discount from the original price. What is the original price.

Let original price = x

so, x- 0.24x = 437

0.76x=437

x=437/0.76

x= 575

So, original price is $575

Image 3:

The price of an item has dropped to $77 today. yesterday it was $140. Find the percentage decrease.

The formula used to find percentage decrease is:

Percentage Decrease = $\frac{Change\,\,in\,\,value}{Original Price}*100\%$

Change in value = 140-77 = 63

Original value = 140

Now, Finding Percentage Decrease:

Percentage Decrease = $\frac{Change\,\,in\,\,value}{Original Price}*100\%$

Percentage Decrease = $\frac{63}{140}*100\%$

Percentage Decrease = 45%

So, percentage decrease is 45%

Image 4:

The price of gallon of unleaded gas was $2.81 yesterday. Today the price rose to $2.88. Find percentage increase.

The formula used to find percentage increase is:

Percentage increase = $\frac{Change\,\,in\,\,value}{Original Price}*100\%$

Change in value = 2.88-2.81 = 0.07

Original value = 2.81

Now, Finding Percentage increase :

Percentage increase = $\frac{Change\,\,in\,\,value}{Original Price}*100\%$

Percentage increase = $\frac{0.07}{2.81}*100\%$

Percentage increase = 2.49%

So, Percentage increase is 2.49%

Image 5:

To find the percentage of each item, we divide the allotted budget amount with the total

a) Percentage of Savings= $\frac{4180}{38000}*100\%$

Percentage of Savings= 11%

b) Percentage of Insurance= $\frac{1140}{38000}*100\%$

Percentage of Insurance = 3%

c) Percentage of Food= $\frac{5320}{38000}*100\%$

Percentage of Food =14%

Keywords: Percentage

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