50. since n_1/4<1 the equation is not true. it has no solution.
48. same thing since 45 <= z the equation is not true.
Let x be the original cost for the sofa.
X x (1 + 0.07) =3210
X = 3000
Now we know the cost for the sofa.
Let p be the profit percent.
3000 x (1 + p) = 3360
P = 0.12
So the percentage profit is 12%
Answer:
the slope is 4 and the y-intercept is -7
Step-by-step explanation:
Answer: x = -5
Step-by-step explanation: you add -3 to the other side, which will look like x = 3 - 8
