equations and inequalitys

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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 -

    200 * 1.07 = $214 total cost for game

    35 + 20x = 214

    20x = 214 - 35

    20x = 179

    x = 8.95 = 9 weeks

  • equations and inequalitys -

    thank you very much for helpig me on my homework.

  • equations and inequalitys -

    You're very welcome.

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