An experimenter used the following design for studying five variables in eight runs in four blocks of size 2. (a) By reordering the runs, write down the design matrix in four blocks of size 2. This design matrix should contain five columns and eight rows. Indicate which two run numbers occur in each block.

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell