We are given some statements, we need to find which of the given statements is an advantage to using equations.
<h3><em>The correct option is </em></h3><h3><em>(A). When given two names for the same quantity, you can use algebra to solve the equations.</em></h3>
Incorrect options are :
(B). You can forget what an equation represents when it is used by itself.
(C). every problem needs an equations if you want to solve it.
Plug h = 3 and g = 27 into the expression:
<span>Simplify
0.6n = 84
Solve
By:
Move all terms containing n to the left, all other terms to the right.
Divide each side by '0.6'.
n = 140
</span><span>
So,
</span><span>84 is 60% of 140</span>