Joe and 2 other students are studying the moons of Uranus. Each student studies the same number of moons. Uranus has 21 known moons. How many moons does each person study?
11
7
8
9
Marcy cut out 24 stars in art class. She wants to put them on 4 sheets of paper. If each paper has the same number of stars, how many should she paste on each?
6