problem solving

Hello and welcome back today I am going to be talking about Problem solving for that we have been trying to work out lots of problems like this I did it this one yesterday HOW CAN YOU USE 4 7's TO MAKE 78?! but that is hard but you need to use fractions you do it like this 7/7+77=78 cool right yea any way that is what problem solving is. That is all that I am talking about today so BUY!!!