If a person walks 1 4/5 miles in 1/5 of an hour how many are they running per hour

They are running 7 1\5 miles per hour.

Step-by-step explanation:

You first turn the mixed number into a improper fraction which is 9/5. Then if 9\5 miles is equal to 1/5 of an hour you need to add 4 to 1/5 to get 5/5 which equals one hour. Then you multiply 4 to 9/5 to get your answer of 36/5, then just turn the improper fraction to a mixed number of 7 1\5 miles per hour.

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations:

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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