• Помогите пожалуйста решить задачки 13,14 на английском

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Ответы 1

  • #13

    $125 for the car parts,

    the labor rate is $68/h

    the total estimate is $329

    Let's set x to the amount of time (h) that required to fix the car.

    Then I was going to pay ($68/h)*xh= $ 68x for the labor.

    Let's set up the equation

    TOTAL PRICE = LABOR + PARTS

    329 = 68x + 125

    68x=204

    x= 3 h.

    I payed for 3 hours of labor.

    #14

    The admission fee is $3 per person + $6 per person for lunch.

    Therefore, each person was going to spend $9 total.

    Let's say x (people) can go on the trip. Then ($9/person)*x people is the total expenses + $55 to rent a bus.

    We may set up the equation

    ALLOWANCE = EXPENSES FOR X PEOPLE + BUS

    244 =9x +55

    9x=189

    x=21

    There are 21 people who can go on the trip.

    Do you best. Ace the test!!

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