A factory makes aquariums. Each aquarium is in the shape of a triangular prism, as shown below. If the factory made aquariums that require a total of of water, how many aquariums did the factory make?
12,600 ft of water, how many aquariums did the factory make?

In a certain pentagon, the interior angles are a,b,c,d,e where a,b,c,d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

You paint a 1/2 of a wall in 1/4 hour. how long will it take you to paint one wall

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7