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Solving Word Problems with Variables on Both Sides.
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Peter and Maggie each opened savings accounts on the same day, intending to withdraw the money for weekly expenses. Peter opened his account with $710 and withdrew $35 per week. Maggie opened her account with $570 and withdrew $25 weekly. In how many weeks will their accounts be equal.
The Magic Carpet charges $90 for installation and $9 per square yard of carpeting. The Carpeteria’s installation price is $50 but the store charges $13 for each square yard. For what number of square yards of carpeting will the cost, including installation, be the same for both stores?
Prestige Car Rentals charges $44 per day plus 6¢ per mile to rent a mid-sized vehicle. Gateway Auto charges $35 per day plus 9¢ per mile for the same car. For what number of miles will both companies charge the same price?
Nancy has $250 in her savings account. She plans to save $15 per week from her salary. Catyhas only $200 in her account but can save $20 a week from her paycheck. How many weeks will it take before the amount in each savings account is the same?
A sales person in a stereo store is given a choice of two different compensation plans. One plan offers a weekly salary of $250 plus a commission of $25 for each stereo sold. The other plan offers no salary but pays $50 commission on each stereo sold. How many stereos must the sales person sell to make the same amount of money under both plans.