Answers

1. Answer:

   h = – \frac{R}{55}

   55

   R

   + \frac{60}{11}

   11

   60

   Step-by-step explanation:

   The expression is given as:

   R = 300 – 55h

   Solving for h implies making h the subject of the expression:

   R = 300 – 55h

   First add -300 to both sides of the expression;

   R + (-300) = 300 – 55h + (-300)

   R – 300 = -55h

   Now divide through by (-55)

   \frac{R}{-55}

   −55

   R

   – \frac{300}{-55}

   −55

   300

   = \frac{-55h}{-55}

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