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There are 92 students in the third and fourth grade at Johnsonville Elementary. Of these, 47 are fourth grade. Write an equation to find how many third-graders there are. Use a question mark to represent the unknown number and solve.

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Answer:

there are 45 students in third grade

Step-by-step explanation:

There are 92 students in the third and fourth grade at Johnsonville Elementary

Sum of third grade and fourth grade students are 92

out of 92 students, 47 students are from fourth grade.

LEt ? be the number of third grade students

Sum of ? and 47 is 92

?+47=92

Subtract 47 from both sides

?= 45

So there are 45 students in third grade

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