Which two ratios form a proportion?
a)
6
9
and
3
1
b)
6
9
and
1
3
c)
6
9
and
2
3
d)
6
9
and
3
2

This is fractions casey shared a pizza with some friends.they each ate 1 third of the pizza. how many people shared the pizza

How can constraints be used to model a real-world situation?

What number is 7 units left of -15?