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Q: Pat has 3.80 in nickels and dimes if there are 51 coins in all how many of them are nickels?

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let x be number of dimes let y be the number of quarters 10x+25y=380 x+y=20 now we need to manipulate so we can isolate for one variable. y=20-x now we sub into y 10x+25(20-x)=380 expand the expression 10x+500-25x=380 -15x=-120 x=8 therefore there are 8 dimes 8+y=20 y=12 therefore there are 12 quarters

.380

380

There are 3800 tenths in 380.

380 ÷ 4 = 95.

380 miles is 611.5 kilometres

There are 38,000 centimeters in 380 meters.

380 kilometres = 236.12 miles.

380 L = 100,3854 gallons

Answer: 380 km = 236.121 miles.

380 grams = 13.4 ounces

Depends on WHICH .380. There is no one answer to your question.

380 pounds is 27.1 stone.

380 decimeters is 38 meters

380 torr is 0.5 atm

380 kilograms is 837.8 pounds.

380 grams = 0.837756596 pounds

380 [US]Cups = 54.42 Liters

380 Kilometers = 236.1 miles

380 meters = 38,000 centimeters

350 to 380 is an 8.57% increase.

10 decimetres = 1 metre so 380 decimetres = 380/10 = 38 metres. Simple!

There are 10 millimetres in one centimetre. Therefore, 380 millimetres is equal to 380/10 = 38 centimetres.

There are 100 centimetres in one metre. Therefore, 380 centimetres is equal to 380/100 = 3.8 metres.

1 cm = 10 millimeter380 millimeter = 380/10 = 38 cm