Chemistry

Now consider just the second sentence of the multistep word problem.
Sentence 2: If four times the brother's age is subtracted from three times the sister's age, the difference is 16.
Give an equation that represents this statement using b as the age of the brother and s as the age of the sister.
Using your answers from parts B and C, what are the ages of the brother and sister, respectively?

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  1. when solving for multiple variables
    ... you need as many unique equations , as there are unknowns
    ... in this case , two

    at present, there is insufficient information for a solution

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  2. This sentence says that:
    3s-4b = 16
    I assume you have other information from previous parts. Use this and that to find what you need.

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  3. This is a chemistry problem? Looks pretty math-y to me.

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