Find the unit rate off $1.29 for 3pens

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

What is the slope of the line shown below?

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