S = -2-4r. You can't simplify the expression past that.
Answer:
Step-by-step explanation:
input: 2
output: 9
The correct answer is -70 if you substitute in -7 for c the equation will be = -63 -7 = -70
15(1 + n/100) = 75(1 - n/100)
15 + 0.15n = 75 - 0.75n
0.15n + 0.75n = 75 - 15
0.9n = 60
n = 60/0.9 = 66 2/3%
6% of n = 0.06 x 66 2/3 = 4
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