Using a + r + t = 1 to find absorbed, reflected or transmitted heat

1. A.
   $\frac{x}{y}$
2. B.
   $\frac{y}{x}$
3. C.
   $\frac{x-y}{x}$
4. D.
   $\frac{y-x}{x}$

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1. A.
   $(a + r) \times t$
2. B.
   $\frac{(a + r)}{xt}$
3. C.
   $(1 - (a + r))xt$
4. D.
   $\frac{xt}{(a + r)}$

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1. A.
   7 kcal
2. B.
   12 kcal
3. C.
   15 kcal
4. D.
   22 kcal

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1. A.
   24 J
2. B.
   30 J
3. C.
   36 J
4. D.
   40 J

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1. A.
   $\dfrac{x}{y}$
2. B.
   $\dfrac{x - y}{x}$
3. C.
   $\dfrac{y}{x - y}$
4. D.
   $\dfrac{x}{y - x}$

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1. A.
   $3.4$ J
2. B.
   $11.9$ J
3. C.
   $34.0$ J
4. D.
   $119.0$ J

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1. A.
   $100$ J
2. B.
   $500$ J
3. C.
   $700$ J
4. D.
   $900$ J

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1. A.
   $50$ J
2. B.
   $45$ J
3. C.
   $40$ J
4. D.
   $30$ J

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