Answer :
x - an amount
[tex]x+3\%x=x+0.03x=1.03x[/tex]
To increase an amount by 3% you can multiply the amount by 1.03.
[tex]x+3\%x=x+0.03x=1.03x[/tex]
To increase an amount by 3% you can multiply the amount by 1.03.