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Math problem

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by

Cindy Tong

on 21 April 2011

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Transcript of Math problem

The Pictou Ferryboat is full when it has ten cars on board. The ferryboat never carries cars and trucks at the same time.

The ferryboat made five trips across the river and was full on each trip. It carried a total of 42 cars and trucks across the river.

How many cars did the ferryboat carry altogether in the five trips? 1). Look at key words
Pictou ferryboat full: 10 cars or 6 trucks
2).Write equations:(look at key words and choose perations.)
1 cars +trucks=5 trips
2 ? + ? =42 cars
3 ?(10) +?(6) =42cars 3). Trial and Error:{Estimate}
3(10) + 2 (6) =42cars 4).Conclusion:
In 5 trips, the ferryboat carried 30 cars. (42) 5 trips - (2x6)=
30( cars) By : Cindy Tong http://www.analyzemath.com/primary_math/grade_5/problems.html http://www.analyzemath.com/primary_math/grade_5/problems.html -.-' Thank you for watching~
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