# © Work out the percentage change when a price of £20 is decreased to £3. ©

The percentage change is 85%

Step-by-step explanation:

To calculate percentage change

Percentage change = difference/original price × 100

Difference = £20 - £3 = £17

Price = £20

Percentage change = 17/20 × 100

= 17 × 5

= 85%

## Related Questions

13. Which equation is equivalent to 8x + 4y = -24?

2x + y = - 6

Step-by-step explanation:

Given

8x + 4y = - 24 ( divide each term by 4 )

2x + y = - 6 ← is an equivalent equation

What is 209 rounded to the nearest ten and hundred

For this case we have the following definitions:

tens place: number of two digits greater than zero

hundreds place: three-digit number greater than zero

In both cases we must round when the previous number is greater than or equal to five.

We then have the following number:

209

Rounding off we have:

to the nearest ten = 210

to the nearest hundred = 200

The rounded number 209 is:

to the nearest ten = 210

to the nearest hundred = 200

209 rounded to the nearest ten; 210

209 rounded to the nearest hundred; 200

Hope this helped ;)

If the total price paid for an item is \$20.25 and the cost of the item before sales tax is \$18.90, what is the rate of sales tax?