percent calculation part example 11

Kategorie: percent calculation finding the part examples
part word problems

problem:

Price $ 720,- first reduction by 10% , second reduction by 20%

What is the reduced price?

first reduction by 10%

1. step: given/wanted

given: the base value = $ 720,- the rate = 90% (100% – 10%)

wanted: part (new price)

2. step formula:

formula:

part = base * rate : 100

part = 720 * 90 : 100

part = 648 $

Price after first reduction 648 $.

second reduction by 20%:

1. step: given/wanted

given: the base value = $ 648,- the rate = 80% (100% – 20%)

wanted: part (new price)

2. step formula:

formula:

part = base * rate : 100

part = 648 * 80 : 100

part = 518.40 $

The new price is 518.40 $.