To find your answer you would divide 21 by 3 which would be 7, once you've got 7 you would multiply it by 9 which would give you the amount of old houses that there is which would be 63.
Answer:
x=18
Step-by-step explanation:
Answer:
<em>Your answer will be </em>
<em> cups of popcorn.</em>
Step-by-step explanation:
To find out how much the new bags hold, you need to find out the discount.


<em>We know that the discount is </em>
<em>.</em>
<em>To figure out how much the new bags hold, subtract by the old bags.</em>

<em>The new bags hold 12 cups of popcorn. </em>
Step-by-step explanation:
General line equation: y = mx + c, where m is the slope of the line and c is the y-intercept.
We have y = ax + b.
=> y - b = ax
=> y - b = a(x - 0).
The answer is option A.
It would be mean. The mean is the average that is you are looking for, since she wants a summerization of all the values in the data set. To find the mean (average) add all the numbers and then divide by the amount of numbers.