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Algebra_3

Chapter 61

Problem 1

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A vat of molten carbon steel contained a mixture of iron I and carbon C.
The ratio of iron I to carbon C was to .
If the total weight of carbon steel CS in the vat was kilograms.
How much of the carbon steel was carbon C?
This statement can be written in two parts in shorthand form as:

click refresh (F5)

and click refresh (F5)


The weight of the carbon C = kg


Example:

Suppose the ratio of red (R) marbles to yellow (Y) marbles in a bag is 5 to 18.
If there are a total of 125 red marbles in the bag, how many of the marbles are yellow?

The ratio of red to yellow marbles can be written as click refresh (F5)

The total number of red marbles R = 125.

By substituting Y = 18/5R you get click refresh (F5) yellow marbles.

Try this solution by entering (18/5)125 into the Graphing Calculator in the Function f(x) = box .
Click on the Plot Graph button to obtain your solution as f(x) = 450
below the Function f(x)=box