Use the four-step procedure for solving variation problems given on page 445 to solve Exercises 21–36.An object’s weight on the Moon, M, varies directly as its weight on Earth, E. Neil Armstrong, the first person to step on the Moon on July 20, 1969, weighed 360 pounds on Earth (with all of his equipment on) and 60 pounds on the Moon. What is the Moon weight of a person who weighs 186 pounds on Earth?

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Solving Variation Problems 1. Write an equation that models the given English statement. 2. Substitute the given pair of values into the equation in step 1 and find the value of k, the constant of variation. 3. Substitute the value of k into the equation in step 1. 4. Use the equation from step 3 to answer the problem's question.