Ten chairs are stacked in a group and the school has sixty groups of chairs. how many chairs does the school 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.

Tell whether the two rates form a proportion

What expression is equivalent to (84+16)