Question

Ella sold 37 necklaces for $20 each at the craft fair. She is going to donate half of the money she earned to charity. Use Commutative Property to mentally find out how much she will donate.

Answer 1

Ella is going to donate $370.

Explanation:

With the Commutative Property, you can do 1/2 times $20 times 37. So, 1/2 times $20 is $10. Now, you can easily do $10 times 37 equal $370.

Answer 2

Ella will sell $370.

Explanation:

If you multiply 37 and 20 you get 740 and divide that by 2 and you get 370.