Question

Judy has $22 and is saving $6 per week. Ida has $172 and is spending $4 per week. After how many a. Write an equation for Judy and another on for Ida using x for the number of weeks and y for the he equal values method to solve the following problems. weeks will each have the same amount of money? amount of money they each have after x weeks.

Answer 1

Judy

Total money = 22 + 6x

Ida

Total money = 172 + 4x

b)

22 + 6x = 172 + 4x

6x - 4x = 172 - 22

2x = 150

x = 150/2

x = 75

Conclusion

after 75 weeks both girls will have the same amoint of money.