# Math

There are 4 stop signs at an intersection. Car A arrives there first, then B one second later, C one second after B, and D one second after C. Earch car waits 3 seconds after stopping to move again. There are ________ seconds from the time that Car A first comes to a stop to the time that Car D beigns to move again.

1. 👍 0
2. 👎 0
3. 👁 122
1. try 6

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2. 👎 0
👨‍🏫
bobpursley

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