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Home > CC1 > Chapter 8 > Lesson 8.3.1 > Problem 8-90

8-90.
  1. Solve each of the following equations. Show your work. Homework Help ✎

    1. 5f = 15

    2. w = 6

    3. 1.6y = 9

    4. = 81

  2. Ice-Cream Consumption
    (2007)

    Country

    Liters per
    Person

    Australia

    18.0

    Canada

    8.7

    Chile

    5.6

    China

    1.9

    Denmark

    8.7

    Finland

    14.0

    Ireland

    9.0

    Italy

    9.2

    Japan

    0.01

    Malaysia

    2.0

    New Zealand

    22.5

    Sweden

    11.9

    United Kingdom

    6.0

    United States

    18.3

Undo the equation by performing the inverse operation to solve the equation for the given variables.

Inverse operation:
5f ÷ 5 = 15 ÷ 5

f = 15 ÷ 5
f = 3

Multiply by the multiplicative inverse of three fourths.

See the help for part (a).

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