SOLUTION: There are 92 students in the 3rd and 4th grades. Write an equation to find how many 3rd graders there are. Use a question mark to represent the unknown number and solve.
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Question 1046863: There are 92 students in the 3rd and 4th grades. Write an equation to find how many 3rd graders there are. Use a question mark to represent the unknown number and solve.
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
Let ? be the number of 3rd graders.
Let x be the number of 4th graders.
Since the number of both together is 92, we can write
? + x = 92
Now subtract x and get
? = 92 - x
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