Answer:
Amount in account of Kevin after [tex]n[/tex] weeks is equal to [tex]\$(1400+170n)[/tex]
Step-by-step explanation:
Initial amount in the savings account [tex]=\$1400[/tex]
Amount deposited each week by Kevin [tex]=\$170[/tex]
Amount deposited by Kevin in [tex]n[/tex] weeks [tex]=\$170n[/tex]
Therefore,
Amount in account of Kevin after [tex]n[/tex] weeks [tex]=[/tex] Initial amount in the savings account [tex]+[/tex] Amount deposited by Kevin in [tex]n[/tex] weeks
[tex]=\$(1400+170n)[/tex]