Question

5. Mississippi and Georgia have a total of 21 electoral votes. Mississippi has 6 electoral votes. Use mental math or the guess, check, and revise strategy to solve the equation 6 + g = 21 to find g, the number of electoral votes Georgia has.​

Answer 1

Answer: g = 15 . Georgia has 15 electoral votes.

Explanation:

Mental math: How many do I need to make up the difference?

counting by 5s: 5, 10 15, 20.

6 is one more than 5.

From 5, three more 5's gets us close to 20. It works.

6 + 15 = 21