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Mathematics

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Tito Sanchez receives a weekly salary of $400. he also receives a 6% commission on the total dollar amount of all sales he makes. What must his total sales be in a week if he is to make a total of $790?

  • Mathematics -

    if sales = x, then salary s is given by

    s = 400 + .06x

    If s=790, then

    790 = 400 + .06x
    390 = .06x
    x = 6500

  • Mathematics -

    Petsmart has sale offering 10% off of all pet supplies. If Amanda Miller spent 15.72$ on pet supplies before tax, what was the price of the pet supplies she purchased before discount?

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