We where given the #'s 4, 7, 3, 50, 10, 10
the answer is 675
You can only use the #'s one time, there is one # you won't use at all
you can add, subtract, or multiply
What is the problem?
Well, the problem is that this is for "extra credit". Surely your teacher did not mean "Go get someone else to do this problem and I will give YOU the credit"!