Answers

2016-04-28T13:04:40+05:30
Given,
R = qs -4.............(1)
R = 16 , s = 8
substitute R and s in (1)
16 = q (8) - 4
16 = 8q - 4
16 + 4 = 8q
20 = 8q
20/8 = q
5/2 = q..............(2)
now,
if s = 10 , R = ?
R = 5/2 (10) -4          from(2)
R = 50/2 -4
R = 25 - 4
R = 21

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