The value of Mike's car at the start of 2017 is £4116.
What is percentage ?
Percentage is a ratio in the form of fraction of 100.
Percentage is defined by the "%" symbol.
What is the required value of the car ?
At the start of the year 2014, Mike's car was worth £12000.
The value of the car decreased by 30% every year.
So, The value of the car at the start of 2015 = £12000×[tex](1-\frac{30}{100})[/tex]
= £ 12000×[tex]\frac{7}{10}[/tex]
= £ 8400
Again, The value of the car at the start of 2016 = £8400×[tex](1-\frac{30}{100})[/tex]
= £8400×[tex]\frac{7}{10}[/tex]
= £5880
∴ The value of the car at the start of 2017 = £5880×[tex](1-\frac{30}{100})[/tex]
= £5880×[tex]\frac{7}{10}[/tex]
= £4116
Learn more about percentage here :
https://brainly.com/question/843074
#SPJ2
