The difference (-) between 3 times a number (3n) and 21.
3n - 21
Answer:
47 rows
Step-by-step explanation:
To find the amount of needed rows, we will use the math operation division. We will take the total and divide it by the amount in each row.
846/18=47
To seat 18 people in each row, you will need 47 rows.
-4 1/8 as decimal.
The decimal is -3.875.
Answer:

Step-by-step explanation:
The first step is to ensure that all of the fractions have a common denominator.

Hope this helps!
Step-by-step explanation:
A pint has 2 cups
2 cups = 1 pint
1 cup = 1/2 pint
1/4 cup = 1/2 ÷ 4 = 1/2 * 1/4 = 1/8 pint