Answer:
If you study for the test then you will get a good mark
3x-18 is less than -90
First, you add 18 to both sides of the inequality (getting 3x is less than -72). Then you divide by 3 on both sides giving you your answer x is less than -24
Answer:
Principle for account B is greater.
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Step-by-step explanation:
First of all, let us have a look at the formula for Simple Interest:

Where
is the principle amount
is the Rate of interest per annum
is the time in years.
Time = 21 months = 

Let the Principles be
.
Using the formula for Simple Interest, we get:


Therefore, <em>principle for account B is greater</em>.
Answer:
Multiply/divide both sides by the same non-zero constant
Step-by-step explanation:
5x = 20
Divide each side by 5
5x/5 = 20/5
x = 4
A solution possible for that can be n=25-14,,,therefore n=11....