Which equation models the situation?
Julia, the zookeeper, used the equation 52.5 + x = 75 to find the answer. Which equation is an equivalent equation that can be used to solve the problem?
What are equivalent equations? How do you find them? Write a few sentences describing them.
Equivalent equations have the same solution. You can create equivalent equations by performing the same operations on each side of the equation. You can check for equivalence by finding the solution for each equation.
One of the giraffes, Bernard, is sick. Last week he weighed 2,490 pounds. This week, he weighs 2,312 pounds. If w represents the amount of weight lost, which bar diagram can be used to find the amount of weight Bernard lost?
The equation used to solve the equation is The amount of weight Bernard lost is .
Bernard typically runs x km/hour. While he was sick, he only ran 41.5 km/hour. What equation represents that the difference in his speeds is 13.5 km/hour?
Which zookeeper is correct? Explain.
Both zookeepers are correct because they have equivalent equations. Both of the equations will give a healthy speed of 55 km/hr.
How many giraffes remained at the Liberia zoo?
Which of the following did you include in your answer?
Question text not available
Which of the following did you include in your answer? Select all that apply.
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