YOU HAVE $22 IN YOUR BANK ACCOUNT AND DEPOSIT $11.50EACH WEEK. AT THE SAME TIME

Question

YOU HAVE $22 IN YOUR BANK ACCOUNT AND DEPOSIT $11.50EACH WEEK. AT THE SAME TIME YOUR COUSIN HAS $218 BUT IS WITHDRAWING $13 EACH WEEK.        A) WHEN WILL YOURACCOUNTSHAVE THE SAME BALANCE?         B) HOW MUCHMONEY WILL EACH OF YOU HAVE AFTER 12 WEEKS? YOU HAVE $22 IN YOUR BANK ACCOUNT AND DEPOSIT $11.50EACH WEEK. AT THE SAME TIME YOUR COUSIN HAS $218 BUT IS WITHDRAWING $13 EACH WEEK.        A) WHEN WILL YOURACCOUNTSHAVE THE SAME BALANCE?         B) HOW MUCHMONEY WILL EACH OF YOU HAVE AFTER 12 WEEKS?         B) HOW MUCHMONEY WILL EACH OF YOU HAVE AFTER 12 WEEKS?

Explanation / Answer

Your bank account = 11.5x + 22 Cousin bank account = -13x + 218 A) 11.5x + 22 = -13x + 218 ---> 24.5x = 196 --->x=8 B) x = 12; 11.5(12) + 22 = 160

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