Problema Solution
You have $60 and your sister has $120. You are saving $7 per week and your sister is savin $5 per week. How long will it be before you and your sister have the same amount of money.
Answer provided by our tutors
let w = number of weeks
Amt you have = 60 + 7w
Amt she has = 120 + 5w
60+7w = 120 + 5w
2w = 60
w = 30 weeks