Andre and Elena are each saving money. Andre starts with $100 in his savings account and adds $5 per week. Elena starts with $10 in her savings account and adds $20 each week. a) Write and label two expressions that represent how much money Andre and Elena have after (x) number of weeks?

b) After how many weeks will Andre and Elena have the same amount of money in their savings accounts? Be sure to show your work and explain what your solution means in the situation.