Marc wishes to invest in a stock with a 10% return annually. How much money will he have at the end of the year

Answer:At the end of the year, Marc will have 1.10 times the amount investedStep-by-step explanation:Letx -----> the amount that Marc wishes to investedRemember that[tex]100\%+10\%=110=110/100=1.10[/tex]At the end of the year the amount of money will be the amount invested multiplied by 1.10so1.10xthereforeAt the end of the year, Marc will have 1.10 times the amount investedAlternative Methodwe know that The simple interest formula is equal to [tex]A=P(1+rt)[/tex] where A is the Final Investment Value P is the Principal amount of money to be invested r is the rate of interest  t is Number of Time Periods in this problem we have [tex]t=1\ year\\ P=\$x\\ A=?\\r=10\%=10/100=0.10[/tex] substitute in the formula [tex]A=x(1+0.10*1)[/tex] [tex]A=x(1.10)[/tex] [tex]A=1.10x[/tex]