Luna makes beaded bracelets. she uses 9 beads to make each bracelet. how many brackets can she make with 156 beads?
1 answer:
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Consecutive numbers differ by one, which means that if you start with a certain integer , you obtain the next integer by adding one.
So, if you start with , the three consecutive numbers are
The sum of these three numbers is
This number is divisible by 3 because you can write it as
Note that this is true in general: the sum of three consecutive numbers is always divisible by three, because it is three times the middle number.
For this case we have:
Note:<em> Milliliter is a unit of volume. It is not possible to convert distance units into volume units. </em>
We must convert the length 0.13 meters to millimeters.
By definition, 1 meter equals 1000 millimeters. That is to say:
Then, applying the rule of three we have:
1m ------------> 1000mm
0.13m --------> x
Where x represents the length of the marker in millimeters.
Resolving:
Thus, the marker measures 130 millimeters long
Answer:
130 millimeters