Homework Help: equations and inequalitys

Posted by anymous on Monday, August 27, 2012 at 9:01pm.

You are saving moneyto buy a $200 video game system.You earn $20 a week for doing chores around the house.You get $35 from a reliative on your birthday.How many whole weeks will it take for you to have enough money to buy the system? You are charged 7% sales tax for the system.Will it take longer to buy the system?

equations and inequalitys - Ms. Sue, Monday, August 27, 2012 at 9:04pm
200 * 1.07 = $214 total cost for game

35 + 20x = 214

20x = 214 - 35

20x = 179

x = 8.95 = 9 weeks
equations and inequalitys - anymous, Monday, August 27, 2012 at 9:27pm
thank you very much for helpig me on my homework.
equations and inequalitys - Ms. Sue, Monday, August 27, 2012 at 9:31pm
You're very welcome.

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