Increase by a percentage

1)\(increase\quad 200\quad by\quad 5\ \%\)
\(210\)
2)\(increase\quad 30\quad by\quad 20\ \%\)
\(36\)
3)\(increase\quad 60\quad by\quad 25\ \%\)
\(75\)
4)\( increase\quad 40\quad by\quad 15\ \%\)
\(46\)
5)\(increase\quad 50\quad by\quad 65\ \%\)
\(82.5\)
6)\(increase\quad 75\quad by\quad 75\ \%\)
\(131.25\)
7)\(increase\quad 45\quad by\quad 115\ \%\)
\(96.75\)
8)\(increase\quad 155\quad by\quad 55\ \%\)
\(240.25\)