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edwrads4044
02.08.2019 •
Mathematics
Answer will mark the total capacity of 6 pitchers and 12 glasses is 21 liters. the capacity of a pitcher is 5 times that of a glass. find the capacity of each glass. give your answer in liters. dahlia has just enough money to buy either 6 pears and 20 oranges or 12 oranges and 11 pears. a pear costs $0.80. how much does an orange cost? a plumber has two pipes. one pipe is 7 times as long as the other pipe. he cuts 2.2 meters from the longer pipe. the remaining length of this pipe is 3 times that of the shorter pipe. find the length of the shorter pipe in meters.
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Ответ:
2. 20 - 12 = 8 oranges;11 - 6 = 5 pears;
8 oranges costs as much as 5 pears;
But, 5 pears costs 5 × 0.80 = $4;
Then, an orange cost 4 ÷ 8 = $0.5
3.Let one pipe be x
The other pipe is 7 times as long = 7x
When he cuts 2.2 m from the longer pipe the remaining length is = 7x – 2.2 (7x is the longer pipe of x and 7x!)
When he cuts 2.2 m from the longer pipe the remaining length is 3 times that of the shorter pipe.
7x-2.2 is 3 times x
7x-2.2 = 3x
7x-3x = 2.2
4x = 2.2
X= 2.2/4 = 0.55 m (this is the length of the shorter pipe in meters)
Ответ:
-9,1/20,.15,18/25,.75,30/40,9
Step-by-step explanation: