give solution

Question

selena bought a bicycle whose value decreased by 10% every year .After three years its value is 7290.How much did selena buy the bicycle for?

Answer 1

As Decrease of 10% each year ,90% of value of bicycle remain

 

 

(0.9)³  V = 7290

 

0.729 V = 7290

 

V = 7290/0.729

 

V=10,000