Find the value of 42 + 62. 20 52 100

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

What are the exclude value of mn+3m

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