Answer :
THIS IS HOW I WOULD DO IT
EXAMPLE INCREASING
7% OF 100
1%=100/100=1
7%=1X7=7
NEW AMOUNT = 100+7=107
EXAMPLE INCREASING
7% OF 100
1%=100/100=1
7%=1X7=7
NEW AMOUNT = 100+7=107
[tex]x_2=x_1+7\%\cdot x_1=100\%\ x_1+\%7\ x_1=107\%\ x_1=1.07\ x_1\\\\Ans.\ \ 1.07[/tex]