Answer is :
7 addition signs could be used,
9+8+7+65+4+3+2+1 = 99
A drove of sheep and chickens have a total of 99 heads and feet.
There are twice as many chickens as sheep.
How many of each are there?
Map of our town is represented in the map below:
If home is represented by the blue house and the store is represented by a red store, how many possible routes can we take to get from our house to the store?
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