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Degger [83]
3 years ago
10

A bag contains white marbles and red marbles, 32 in total. The number of white marbles is 7 less than 2 times the number of red

marbles. How many white marbles are there?
Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
4 0
The picture shows the answer when x is white marbles and y is red
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Notebooks cost $1.39 each. What are the possible numbers of notebooks that can be purchased with $10
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Since 18 does not have a number that when multiplied by itself equal 18, then it will be a decimal number.  You can tell the closest whole number by seeing what is the closest square.  In this case we know that 16 is 4 times 4 and the next one would be 5 times 5 to equal 25, so the whole number would be 4.  

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