Internet ping

I am paying for the premier plus package of internet in order to get faster down load and upload speeds for things such as gaming, streaming videos and downloads etc. Upon doing a speed test (due to increasingly slower internet speed) I realized I am receiving only 10 Mb/sec. This is very frustrating as I pay a higher amount to receive a much faster rate. Please help me fix this situation without telling/asking me if it is my router or modem.