Find number abc
[8170] Find number abc - If 80b62 + ca8ac = b47ba find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 0
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Find number abc

If 80b62 + ca8ac = b47ba find number abc. Multiple solutions may exist.
Correct answers: 0
#brainteasers #math
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Chain Saw

Bubba decided it was time to purchase a new saw to help clear his heavily timbered property. A salesman showed him the latest model chain saw and assured him that he could easily cut three or four cords of wood per day with it. But the first day, Bubba barely cut one cord of wood. The second morning he arose an hour earlier and managed to cut a little over one cord. The third day he got up even earlier but only managed to achieve a total of 1 ½ cords of wood.
Bubba returned the saw to the store the next day and explained the situation.
"Well", said the salesman, "let’s see what’s the matter." He then pulled the cable and the chain saw sprang into action.
Leaping back, Bubba shouted, "What the heck is that noise?"  

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Fathometer

In 1928, the fathometer was patented by Herbert Grove Dorsey (No. 1,667,540). His invention was an electro-mechanical sounding instrument that measured underwater depths by using a series of electrical sounds signals and their echoes. He coined the name fathometer. The same instrument could measure both very shoal water and very deep water. His fathometers not only improved hydrographic surveying but also were valuable to the maritime shipping industry by saving time over line soundings. His instruments helped delineate much of the continental shelf and slope of the United States and its territories as well as much of the deep sea, in particular the northeast Pacific Ocean, the mid-Atlantic shelf and slope, and Gulf of Mexico.«[Image: Dorsey shown with a fathometer.]
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