If a cow drinks 80 liters of water in a day, it drinks 80*7= <<80*7=560>>560 liters of water per week.

Mr. Reyansh has 40 cows drinking 560 liters of water a week, totaling 560*40 = <<560*40=22400>>22400 liters.

In the ranch, a sheep drinks 1/4*80 = <<80*1/4=20>>20 liters of water in a day.

The total amount of liters a sheep drinks in a week is 20*7 = <<20*7=140>>140 liters

Mr. Reyansh has ten times as many sheep as cows, that is 10*40 = <<10*40=400>>400 sheep.

If each sheep drinks 140 liters of water in a week, 400 sheep drinks 400*140 = <<400*140=56000>>56000 liters of water.

Together, the cows and sheep drink 56000+22400 = <<56000+22400=78400>>78400 liters of water per week.

# Answer

78400
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Mr. Reyansh has a dairy farm with 40 cows. Each cow on the farm drinks 80 liters of water daily. He also has a sheep ranch with 10 times the number of cows, with each sheep drinking 1/4 times as much water as a cow does. How many liters of water does Mr. Reyansh use to water all of his animals in a week?
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78400
Mr. Reyansh has a dairy farm with 40 cows. Each cow on the farm drinks 80 liters of water daily. He also has a sheep ranch with 10 times the number of cows, with each sheep drinking 1/4 times as much water as a cow does. How many liters of water does Mr. Reyansh use to water all of his animals in a week?
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