To find : that after how many weeks will R and T have the same amount in their savings account.
Answer to Problem 7E
6 weeks
Explanation of Solution
Given information: R had $35 in a saving account and started adding $25 a week. At the same time , his sister T had $365 in her account and began spending $30 a week.
Calculation:
Let us suppose after x years , R and T will have the same amount in their accounts.
After x years, R will have
Therefore,
Thus, after 6 weeks, they will have same amount in their saving accounts.
Chapter 3 Solutions
Glencoe Algebra 2 Student Edition C2014
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