A student has some $1 and $5 bills in his wallet. He has a total of 15 bills that are worth $35. How many of each type of bill does he have?

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

3x + 4y = 5 x- 3y = -7 solve by substitution

What is the sum of these mixed numbers 4 2/3+ 3 1/9