Question

Avery has a total of $12.50 in her piggy bank at home. Each week she takes out $1.25 to ride the city bus. Write an equation representing the balance, C, in the piggy bank, where w is the number of weeks.

Answer 1

The the number of weeks would be 10 weeks

Answer 2

C = 12.50 - (1.25W)

If you'd like an explanation of how I got this answer, please let me know.