7 pounds of Mystery Meat and 4 pounds of Tastes Like Chicken cost $78.00.Tastes Like Chicken costs $3.00 more per pound than Mystery Meat. In dollars, how much does a pound of Mystery Meat cost?
\(tlc=mm+3\\ 7 mm + 4 tlc = 78\\ 7mm+4(mm+3) = 78\\ 11mm+12=78\\ 11mm=66\\ mm=\$6/lb\)
+239 
