Translate the following statements into equations.
1. The cost c of vegetables varies directly as the number of kilograms n
Let's
Practice
bought.
2. The work w done by an airplane varies directly as the distance d
traveled.
3. The area A of the triangle varies directly as the half of its
base b.
4. The circumference of the circle varies directly as twice its radius T.
5. The resistance R of the wire conductor varies directly as its length l.
6. An employee's salary s varies directly as the number of days d he has
worked.
7. The amount a of gasoline used in a trip varies directly as the distance d
covered.
8. The distance d traveled by a car varies directly as its speed s.
9. The weight w of pure water is directly proportional to its volume v.
10. The cost of electricity c varies directly as the number of kilowatt-hour
consumption h.
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