115,229 views
40 votes
40 votes
You have $60 and your sister has $120. You are saving $7 per week and your sister is

saving $5 per week. How long will it be before you and your sister have the same
amount of money? (There will be a variable on both sides of the equation)

User Asgerhallas
by
2.4k points

1 Answer

12 votes
12 votes

Answer:

30 weeks

Explanation:

for this equation a will be the number of weeks

you have, 60 + 7a

she has, 120 + 5a

60+7a = 120 + 5a

2a = 60

a = 30 weeks

I hope that makes sense and helps you!!

User HansElsen
by
3.2k points