A total of N children are taking a field trip. The number of girls on the trip (G) exceeds the number of boys on the trip (B) by 17.
Which equation can you use to determine the number of girls taking the field trip?

Explanation

You can write the number of boys taking the trip as G – 17. The number of girls plus the number of boys totals N, and so G + (G – 17) = N. (You can find the number of girls taking the trip by solving for N.)

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