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Finds the number of items in each group, given the ratio and total number of items.
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Q: A bag contains only red, blue, and green marbles. The bag contains 40 marbles, and the ratio of red marbles to blue marbles to green marbles is 2:3:5. How many green marbles are in the bag?
Solution: Run RATIO.
Enter 40 for the total number.
Enter 3 for the number of
categories (red, blue, green).
Now, enter the ratio parts
(2, 3, and 5) in order:
The program reports
the distribution of the
40 marbles into the
Press 0 and ENTER to
end the program.
is the third part, so there
are 20 green marbles.
Note: When the list is long, the
numbers may scroll off the right
side of the screen. Choose 1 in
the last screen, and press ENTER
repeatedly to list the numbers one at a time.