Singapore Primary School Math Website
Primary 6 Math Lesson 4: Problem 3

In a faraway city called Jurakia, the smartest dinosaurs go to Stinky Teeth Primary School where the principal is a three-headed chicken. There are altogether 1849 Diplodocuses, Velociraptors and Dimetrodons enrolled in that school. If there are 159 more Velociraptors than Diplodocuses, and 6 times as many Dimetrodons as Velociraptors, how many Dimetrodons are studying at that school?

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