Catch the Hidden Pattern in the Number Machine
A number machine works like this:
It takes a number, doubles it, then adds 6, then divides the result by 2.
The machine outputs 17.
What number did you put into the machine?
Word Problem
A bridge is built across a river. One quarter of the bridge is over the left bank of the river and one third of the bridge is over the right bank. The river is 120 m wide. How long is the bridge?
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