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Solve for rr.\newliner4=4.2\frac{r}{4} = 4.2\newliner=r = _____

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Q. Solve for rr.\newliner4=4.2\frac{r}{4} = 4.2\newliner=r = _____
  1. Isolate r Operation: Which operation should be used to isolate r?\newlineIn r4=4.2\frac{r}{4} = 4.2, we should multiply both sides by the denominator of rr, which is 44, to isolate rr.\newlineMultiply by 44
  2. Multiply by Denominator: r4×4=4.2×4\frac{r}{4} \times 4 = 4.2 \times 4\newlineFind the value of rr.\newliner=4.2×4r = 4.2 \times 4
  3. Find rr Value: Calculate the multiplication.r=16.8r = 16.8

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