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3 years ago

Evaluate 15/r -1 when r = 5

Mathematics

2 answers:

Juli2301 [7.4K]3 years ago

4 0

$\frac{15}{r}-1=\frac{15}{5}-1=3-1=2$

2)
$\frac{15}{r-1}=\frac{15}{5-1}=\frac{15}{4}=3\frac{3}{4}=3.75$

Fynjy0 [20]3 years ago

4 0

15/r-1
15/5-1 (substitute 5 for r)
15/4 (5-1 is 4)
3.75 (15/4 is 3.75)

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