darkghostmist
05.11.2019 •
Mathematics
The ratio of blue to red marbles is 2 to 5. if i have a total of 25 marbles , how many would it be blue.
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Ответ:
The number of blue marbles is 10
Step-by-step explanation:
The correct question is
The ratio of blue to red marbles is 2 to 5. If I have a total of 35 marbles , how many would it be blue
Let
x -----> the number of blue marbles
y -----> the number of red marbles
we know that
Substitute equation A in equation B
Solve for y
Find the value of x
therefore
The number of blue marbles is 10
Ответ:
sample response: To convert larger units to smaller units, multiply. When the units are smaller, you need more of them to express the same measure. To convert smaller units to larger units, divide. When the units are larger, you need fewer of them to express the same measure.