Answer:

Step-by-step explanation:
Fill in the table and you will see the formula above gives you the total. Substitute S=10 for you answer
How derive the formula?
You have to realize that you are give 3 to start with, so that's your starting constant. Filling in the table and subtracting 3 show help you see that the square of want is left after the subtraction is the square of the step.
Let me know is you need more clarification
Answer:

Step-by-step explanation:
Stefanie's mixture of 18 grams has a 20% sugar content. Therefore, there are
grams of sugar in her syrup.
John's mixture of 30 grams has a 25% sugar content. Therefore, there are
grams of sugar in her syrup.
Therefore, if they mix their syrups together, there will be
grams of sugar.
Answer:224
Step-by-step explanation:facts
You need to have the rate of how much it costs for one gallon.
The tip is $11.60 so the person would pay in all $69.60
Hope this helps!