Question

4(A) The table given shows the change in price in a sale.

TV
Laptop
Normal
Dhs 2000
Dhs 1800
price
Sale price
Dhs 1750
Dhs 1440
(a) Calculate the percentage increase or decrease for
(0) TV and
) Laptop
(b) Which item has the best reduced price?
Cho can anyone help me ​

Answer 1

(a)

`\%Decrease= 12.5\%` --- TV

`\%Decrease= 20\%` --- Laptop

(b) Laptop

Explanation:

Given

Normal Sales

`TV = 2000`
`TV = 1750`

`Laptop = 1800`
`Laptop = 1440`

Solving (a): Percentage increase of decrease for both

Percentage change is calculated as:

`\%Change = (New - Old)/(Old) * 100\%`

For TV

`\%Change = (1750 - 2000)/(2000) * 100\%`

`\%Change = (-250)/(2000) * 100\%`

`\%Change = -0.125* 100\%`

`\%Change = -12.5\%`

It is a decrease because it is negative

`\%Decrease= 12.5\%`

For Laptop

`\%Change = (1440 - 1800)/(1800) * 100\%`

`\%Change = (-360)/(1800) * 100\%`

`\%Change = -0.2* 100\%`

`\%Change = -20\%`

It is a decrease because it is negative

`\%Decrease= 20\%`

Solving (b):

Laptop has the best reduced price because it has a larger percentage decrease