Explanation:
question 3:
Question 4
ty−5
=z
ty - 5 = zxty−5=zx
ty = zx + 5ty=zx+5
y = \frac{zx + 5}{t}y=
t
zx+5
p = n(d - c)p=n(d−c)
n = \frac{p}{d - c}n=
d−c
p
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