Question

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Sadie is 3 years older than Kareem, and Kareem is twice as old as Nadra. The sum of their ages is 33.

A student used the steps below to find each person’s age.

Step 1 Write an equation, letting x represent Kareem’s age:
(x + 3) + x + 2 x = 33
Step 2 Solve the equation:
(x + 3) + x + 2 x = 33. 3 + 4 x = 33. 4 x = 30. x = 7 and one-half.
Step 3 Sadie is 10 and one-half, Kareem is 7 and one-half, and Nadra is 3 and three-fourths.

Which corrects the student’s first error?

Answer 1

Answer:

21x^2 The water cycle is the path that all water follows as it moves around Earth in different states. ... Water vapor—a gas—is found in Earth's atmosphere. Water can be found all over Earth in the ocean, on land and in the atmosphere. The water cycle is the path that all water follows as it moves around our planet.

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