First u have to draw a dollar sign ($). Then the amount of dollars (ex. ..23..) then the amount of coins , (ex: .45). Here's the full example, $23.45. :-)
Use the rule of 3 simple
x mean 100%
3 mean 15%
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x = 3*100/15 = 300/15 = 20
hope this will help you
Answer:
Step-by-step explanation:
Let's solve this problem step-by-step. The library had 1,500 books in 2011. The ratio of books in 2011 and in 2012 is 1:2. Therefore, let the number of books in 2012 be .
We have the following proportion:
Therefore, there were 3,000 books in 2012. The ratio of books in 2012 and in 2013 is 2:5. Let the number of books in 2013 be .
We have:
Therefore, there were 7,500 books in 2013.
I don’t understand this language! sorry..
Step-by-step explanation:
x is 10
FO is x+10
OG is 10+10
FG is x+3x